diff --git a/docs/AddTimeOption.md b/docs/AddTimeOption.md
index 603f5a2..b9105ca 100644
--- a/docs/AddTimeOption.md
+++ b/docs/AddTimeOption.md
@@ -5,4 +5,4 @@ Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **created** | [**Date**](Date.md) |  |  [optional]
 **time** | **Long** | time in seconds | 
-**userName** | **String** | User who spent the time (optional) |  [optional]
+**userName** | **String** | username of the user who spent the time working on the issue (optional) |  [optional]
diff --git a/docs/AdminApi.md b/docs/AdminApi.md
index cf3f883..98a2acd 100644
--- a/docs/AdminApi.md
+++ b/docs/AdminApi.md
@@ -95,7 +95,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 AdminApi apiInstance = new AdminApi();
-String username = "username_example"; // String | username of user
+String username = "username_example"; // String | username of the user to whom a badge is to be added
 UserBadgeOption body = new UserBadgeOption(); // UserBadgeOption | 
 try {
     Void result = apiInstance.adminAddUserBadges(username, body);
@@ -110,7 +110,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| username of user |
+ **username** | **String**| username of the user to whom a badge is to be added |
  **body** | [**UserBadgeOption**](UserBadgeOption.md)|  | [optional]
 
 ### Return type
@@ -361,7 +361,7 @@ Token.setApiKey("YOUR API KEY");
 
 AdminApi apiInstance = new AdminApi();
 CreateOrgOption body = new CreateOrgOption(); // CreateOrgOption | 
-String username = "username_example"; // String | username of the user that will own the created organization
+String username = "username_example"; // String | username of the user who will own the created organization
 try {
     Organization result = apiInstance.adminCreateOrg(body, username);
     System.out.println(result);
@@ -376,7 +376,7 @@ try {
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
  **body** | [**CreateOrgOption**](CreateOrgOption.md)|  |
- **username** | **String**| username of the user that will own the created organization |
+ **username** | **String**| username of the user who will own the created organization |
 
 ### Return type
 
@@ -449,7 +449,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 AdminApi apiInstance = new AdminApi();
-String username = "username_example"; // String | username of the user
+String username = "username_example"; // String | username of the user who is to receive a public key
 CreateKeyOption body = new CreateKeyOption(); // CreateKeyOption | 
 try {
     PublicKey result = apiInstance.adminCreatePublicKey(username, body);
@@ -464,7 +464,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| username of the user |
+ **username** | **String**| username of the user who is to receive a public key |
  **body** | [**CreateKeyOption**](CreateKeyOption.md)|  | [optional]
 
 ### Return type
@@ -539,7 +539,7 @@ Token.setApiKey("YOUR API KEY");
 
 AdminApi apiInstance = new AdminApi();
 CreateRepoOption body = new CreateRepoOption(); // CreateRepoOption | 
-String username = "username_example"; // String | username of the user. This user will own the created repository
+String username = "username_example"; // String | username of the user who will own the created repository
 try {
     Repository result = apiInstance.adminCreateRepo(body, username);
     System.out.println(result);
@@ -554,7 +554,7 @@ try {
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
  **body** | [**CreateRepoOption**](CreateRepoOption.md)|  |
- **username** | **String**| username of the user. This user will own the created repository |
+ **username** | **String**| username of the user who will own the created repository |
 
 ### Return type
 
@@ -1149,7 +1149,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 AdminApi apiInstance = new AdminApi();
-String username = "username_example"; // String | username of user to delete
+String username = "username_example"; // String | username of the user to delete
 Boolean purge = true; // Boolean | purge the user from the system completely
 try {
     Void result = apiInstance.adminDeleteUser(username, purge);
@@ -1164,7 +1164,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| username of user to delete |
+ **username** | **String**| username of the user to delete |
  **purge** | **Boolean**| purge the user from the system completely | [optional]
 
 ### Return type
@@ -1238,7 +1238,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 AdminApi apiInstance = new AdminApi();
-String username = "username_example"; // String | username of user
+String username = "username_example"; // String | username of the user whose badge is to be deleted
 UserBadgeOption body = new UserBadgeOption(); // UserBadgeOption | 
 try {
     Void result = apiInstance.adminDeleteUserBadges(username, body);
@@ -1253,7 +1253,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| username of user |
+ **username** | **String**| username of the user whose badge is to be deleted |
  **body** | [**UserBadgeOption**](UserBadgeOption.md)|  | [optional]
 
 ### Return type
@@ -1327,7 +1327,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 AdminApi apiInstance = new AdminApi();
-String username = "username_example"; // String | username of user
+String username = "username_example"; // String | username of the user whose public key is to be deleted
 Long id = 789L; // Long | id of the key to delete
 try {
     Void result = apiInstance.adminDeleteUserPublicKey(username, id);
@@ -1342,7 +1342,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| username of user |
+ **username** | **String**| username of the user whose public key is to be deleted |
  **id** | **Long**| id of the key to delete |
 
 ### Return type
@@ -1505,7 +1505,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 AdminApi apiInstance = new AdminApi();
-String username = "username_example"; // String | username of user to edit
+String username = "username_example"; // String | username of the user whose data is to be edited
 EditUserOption body = new EditUserOption(); // EditUserOption | 
 try {
     User result = apiInstance.adminEditUser(username, body);
@@ -1520,7 +1520,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| username of user to edit |
+ **username** | **String**| username of the user whose data is to be edited |
  **body** | [**EditUserOption**](EditUserOption.md)|  | [optional]
 
 ### Return type
@@ -2033,7 +2033,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 AdminApi apiInstance = new AdminApi();
-String username = "username_example"; // String | username of user
+String username = "username_example"; // String | username of the user whose badges are to be listed
 try {
     List<Badge> result = apiInstance.adminListUserBadges(username);
     System.out.println(result);
@@ -2047,7 +2047,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| username of user |
+ **username** | **String**| username of the user whose badges are to be listed |
 
 ### Return type
 
@@ -2121,7 +2121,7 @@ Token.setApiKey("YOUR API KEY");
 
 AdminApi apiInstance = new AdminApi();
 RenameUserOption body = new RenameUserOption(); // RenameUserOption | 
-String username = "username_example"; // String | existing username of user
+String username = "username_example"; // String | current username of the user
 try {
     Void result = apiInstance.adminRenameUser(body, username);
     System.out.println(result);
@@ -2136,7 +2136,7 @@ try {
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
  **body** | [**RenameUserOption**](RenameUserOption.md)|  |
- **username** | **String**| existing username of user |
+ **username** | **String**| current username of the user |
 
 ### Return type
 
@@ -2301,7 +2301,7 @@ Token.setApiKey("YOUR API KEY");
 
 AdminApi apiInstance = new AdminApi();
 Long sourceId = 789L; // Long | ID of the user's login source to search for
-String loginName = "loginName_example"; // String | user's login name to search for
+String loginName = "loginName_example"; // String | identifier of the user, provided by the external authenticator
 Integer page = 56; // Integer | page number of results to return (1-based)
 Integer limit = 56; // Integer | page size of results
 try {
@@ -2318,7 +2318,7 @@ try {
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
  **sourceId** | **Long**| ID of the user&#x27;s login source to search for | [optional]
- **loginName** | **String**| user&#x27;s login name to search for | [optional]
+ **loginName** | **String**| identifier of the user, provided by the external authenticator | [optional]
  **page** | **Integer**| page number of results to return (1-based) | [optional]
  **limit** | **Integer**| page size of results | [optional]
 
diff --git a/docs/CreateOrgOption.md b/docs/CreateOrgOption.md
index 13d05c4..86553af 100644
--- a/docs/CreateOrgOption.md
+++ b/docs/CreateOrgOption.md
@@ -8,7 +8,7 @@ Name | Type | Description | Notes
 **fullName** | **String** |  |  [optional]
 **location** | **String** |  |  [optional]
 **repoAdminChangeTeamAccess** | **Boolean** |  |  [optional]
-**username** | **String** |  | 
+**username** | **String** | username of the organization | 
 **visibility** | [**VisibilityEnum**](#VisibilityEnum) | possible values are &#x60;public&#x60; (default), &#x60;limited&#x60; or &#x60;private&#x60; |  [optional]
 **website** | **String** |  |  [optional]
 
diff --git a/docs/CreateUserOption.md b/docs/CreateUserOption.md
index 1d93f64..20d609e 100644
--- a/docs/CreateUserOption.md
+++ b/docs/CreateUserOption.md
@@ -6,11 +6,11 @@ Name | Type | Description | Notes
 **createdAt** | [**Date**](Date.md) | For explicitly setting the user creation timestamp. Useful when users are migrated from other systems. When omitted, the user&#x27;s creation timestamp will be set to \&quot;now\&quot;. |  [optional]
 **email** | **String** |  | 
 **fullName** | **String** |  |  [optional]
-**loginName** | **String** |  |  [optional]
+**loginName** | **String** | identifier of the user, provided by the external authenticator (if configured) |  [optional]
 **mustChangePassword** | **Boolean** |  |  [optional]
 **password** | **String** |  |  [optional]
 **restricted** | **Boolean** |  |  [optional]
 **sendNotify** | **Boolean** |  |  [optional]
 **sourceId** | **Long** |  |  [optional]
-**username** | **String** |  | 
+**username** | **String** | username of the user | 
 **visibility** | **String** |  |  [optional]
diff --git a/docs/EditUserOption.md b/docs/EditUserOption.md
index d36f82b..b78349d 100644
--- a/docs/EditUserOption.md
+++ b/docs/EditUserOption.md
@@ -12,7 +12,7 @@ Name | Type | Description | Notes
 **email** | **String** |  |  [optional]
 **fullName** | **String** |  |  [optional]
 **location** | **String** |  |  [optional]
-**loginName** | **String** |  | 
+**loginName** | **String** | identifier of the user, provided by the external authenticator (if configured) | 
 **maxRepoCreation** | **Long** |  |  [optional]
 **mustChangePassword** | **Boolean** |  |  [optional]
 **password** | **String** |  |  [optional]
diff --git a/docs/Email.md b/docs/Email.md
index b87816b..933a198 100644
--- a/docs/Email.md
+++ b/docs/Email.md
@@ -6,5 +6,5 @@ Name | Type | Description | Notes
 **email** | **String** |  |  [optional]
 **primary** | **Boolean** |  |  [optional]
 **userId** | **Long** |  |  [optional]
-**username** | **String** |  |  [optional]
+**username** | **String** | username of the user |  [optional]
 **verified** | **Boolean** |  |  [optional]
diff --git a/docs/IssueApi.md b/docs/IssueApi.md
index 94eb3eb..d27025e 100644
--- a/docs/IssueApi.md
+++ b/docs/IssueApi.md
@@ -228,7 +228,7 @@ IssueApi apiInstance = new IssueApi();
 String owner = "owner_example"; // String | owner of the repo
 String repo = "repo_example"; // String | name of the repo
 Long index = 789L; // Long | index of the issue
-String user = "user_example"; // String | user to subscribe
+String user = "user_example"; // String | username of the user to subscribe the issue to
 try {
     Void result = apiInstance.issueAddSubscription(owner, repo, index, user);
     System.out.println(result);
@@ -245,7 +245,7 @@ Name | Type | Description  | Notes
  **owner** | **String**| owner of the repo |
  **repo** | **String**| name of the repo |
  **index** | **Long**| index of the issue |
- **user** | **String**| user to subscribe |
+ **user** | **String**| username of the user to subscribe the issue to |
 
 ### Return type
 
@@ -2258,7 +2258,7 @@ IssueApi apiInstance = new IssueApi();
 String owner = "owner_example"; // String | owner of the repo
 String repo = "repo_example"; // String | name of the repo
 Long index = 789L; // Long | index of the issue
-String user = "user_example"; // String | user witch unsubscribe
+String user = "user_example"; // String | username of the user to unsubscribe from an issue
 try {
     Void result = apiInstance.issueDeleteSubscription(owner, repo, index, user);
     System.out.println(result);
@@ -2275,7 +2275,7 @@ Name | Type | Description  | Notes
  **owner** | **String**| owner of the repo |
  **repo** | **String**| name of the repo |
  **index** | **Long**| index of the issue |
- **user** | **String**| user witch unsubscribe |
+ **user** | **String**| username of the user to unsubscribe from an issue |
 
 ### Return type
 
diff --git a/docs/Organization.md b/docs/Organization.md
index 27b1b9b..14b41a6 100644
--- a/docs/Organization.md
+++ b/docs/Organization.md
@@ -11,6 +11,6 @@ Name | Type | Description | Notes
 **location** | **String** |  |  [optional]
 **name** | **String** |  |  [optional]
 **repoAdminChangeTeamAccess** | **Boolean** |  |  [optional]
-**username** | **String** | deprecated |  [optional]
+**username** | **String** | username of the organization deprecated |  [optional]
 **visibility** | **String** |  |  [optional]
 **website** | **String** |  |  [optional]
diff --git a/docs/OrganizationApi.md b/docs/OrganizationApi.md
index bd71848..9736a28 100644
--- a/docs/OrganizationApi.md
+++ b/docs/OrganizationApi.md
@@ -1216,7 +1216,7 @@ Token.setApiKey("YOUR API KEY");
 
 OrganizationApi apiInstance = new OrganizationApi();
 Long id = 789L; // Long | id of the team
-String username = "username_example"; // String | username of the user to add
+String username = "username_example"; // String | username of the user to add to a team
 try {
     Void result = apiInstance.orgAddTeamMember(id, username);
     System.out.println(result);
@@ -1231,7 +1231,7 @@ try {
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
  **id** | **Long**| id of the team |
- **username** | **String**| username of the user to add |
+ **username** | **String**| username of the user to add to a team |
 
 ### Return type
 
@@ -1396,7 +1396,7 @@ Token.setApiKey("YOUR API KEY");
 
 OrganizationApi apiInstance = new OrganizationApi();
 String org = "org_example"; // String | name of the organization
-String username = "username_example"; // String | username of the user
+String username = "username_example"; // String | username of the user whose membership is to be concealed
 try {
     Void result = apiInstance.orgConcealMember(org, username);
     System.out.println(result);
@@ -1411,7 +1411,7 @@ try {
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
  **org** | **String**| name of the organization |
- **username** | **String**| username of the user |
+ **username** | **String**| username of the user whose membership is to be concealed |
 
 ### Return type
 
@@ -2278,7 +2278,7 @@ Token.setApiKey("YOUR API KEY");
 
 OrganizationApi apiInstance = new OrganizationApi();
 String org = "org_example"; // String | name of the organization
-String username = "username_example"; // String | username of the user
+String username = "username_example"; // String | username of the user to remove from the organization
 try {
     Void result = apiInstance.orgDeleteMember(org, username);
     System.out.println(result);
@@ -2293,7 +2293,7 @@ try {
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
  **org** | **String**| name of the organization |
- **username** | **String**| username of the user |
+ **username** | **String**| username of the user to remove from the organization |
 
 ### Return type
 
@@ -3341,7 +3341,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 OrganizationApi apiInstance = new OrganizationApi();
-String username = "username_example"; // String | username of user
+String username = "username_example"; // String | username of the user whose permissions are to be obtained
 String org = "org_example"; // String | name of the organization
 try {
     OrganizationPermissions result = apiInstance.orgGetUserPermissions(username, org);
@@ -3356,7 +3356,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| username of user |
+ **username** | **String**| username of the user whose permissions are to be obtained |
  **org** | **String**| name of the organization |
 
 ### Return type
@@ -3431,7 +3431,7 @@ Token.setApiKey("YOUR API KEY");
 
 OrganizationApi apiInstance = new OrganizationApi();
 String org = "org_example"; // String | name of the organization
-String username = "username_example"; // String | username of the user
+String username = "username_example"; // String | username of the user to check for an organization membership
 try {
     Void result = apiInstance.orgIsMember(org, username);
     System.out.println(result);
@@ -3446,7 +3446,7 @@ try {
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
  **org** | **String**| name of the organization |
- **username** | **String**| username of the user |
+ **username** | **String**| username of the user to check for an organization membership |
 
 ### Return type
 
@@ -3520,7 +3520,7 @@ Token.setApiKey("YOUR API KEY");
 
 OrganizationApi apiInstance = new OrganizationApi();
 String org = "org_example"; // String | name of the organization
-String username = "username_example"; // String | username of the user
+String username = "username_example"; // String | username of the user to check for a public organization membership
 try {
     Void result = apiInstance.orgIsPublicMember(org, username);
     System.out.println(result);
@@ -3535,7 +3535,7 @@ try {
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
  **org** | **String**| name of the organization |
- **username** | **String**| username of the user |
+ **username** | **String**| username of the user to check for a public organization membership |
 
 ### Return type
 
@@ -4430,7 +4430,7 @@ Token.setApiKey("YOUR API KEY");
 
 OrganizationApi apiInstance = new OrganizationApi();
 Long id = 789L; // Long | id of the team
-String username = "username_example"; // String | username of the member to list
+String username = "username_example"; // String | username of the user whose data is to be listed
 try {
     User result = apiInstance.orgListTeamMember(id, username);
     System.out.println(result);
@@ -4445,7 +4445,7 @@ try {
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
  **id** | **Long**| id of the team |
- **username** | **String**| username of the member to list |
+ **username** | **String**| username of the user whose data is to be listed |
 
 ### Return type
 
@@ -4882,7 +4882,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 OrganizationApi apiInstance = new OrganizationApi();
-String username = "username_example"; // String | username of user
+String username = "username_example"; // String | username of the user whose organizations are to be listed
 Integer page = 56; // Integer | page number of results to return (1-based)
 Integer limit = 56; // Integer | page size of results
 try {
@@ -4898,7 +4898,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| username of user |
+ **username** | **String**| username of the user whose organizations are to be listed |
  **page** | **Integer**| page number of results to return (1-based) | [optional]
  **limit** | **Integer**| page size of results | [optional]
 
@@ -4974,7 +4974,7 @@ Token.setApiKey("YOUR API KEY");
 
 OrganizationApi apiInstance = new OrganizationApi();
 String org = "org_example"; // String | name of the organization
-String username = "username_example"; // String | username of the user
+String username = "username_example"; // String | username of the user whose membership is to be publicized
 try {
     Void result = apiInstance.orgPublicizeMember(org, username);
     System.out.println(result);
@@ -4989,7 +4989,7 @@ try {
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
  **org** | **String**| name of the organization |
- **username** | **String**| username of the user |
+ **username** | **String**| username of the user whose membership is to be publicized |
 
 ### Return type
 
@@ -5063,7 +5063,7 @@ Token.setApiKey("YOUR API KEY");
 
 OrganizationApi apiInstance = new OrganizationApi();
 Long id = 789L; // Long | id of the team
-String username = "username_example"; // String | username of the user to remove
+String username = "username_example"; // String | username of the user to remove from a team
 try {
     Void result = apiInstance.orgRemoveTeamMember(id, username);
     System.out.println(result);
@@ -5078,7 +5078,7 @@ try {
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
  **id** | **Long**| id of the team |
- **username** | **String**| username of the user to remove |
+ **username** | **String**| username of the user to remove from a team |
 
 ### Return type
 
@@ -5334,7 +5334,7 @@ Token.setApiKey("YOUR API KEY");
 
 OrganizationApi apiInstance = new OrganizationApi();
 String org = "org_example"; // String | name of the organization
-String username = "username_example"; // String | user to block
+String username = "username_example"; // String | username of the user to block
 String note = "note_example"; // String | optional note for the block
 try {
     Void result = apiInstance.organizationBlockUser(org, username, note);
@@ -5350,7 +5350,7 @@ try {
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
  **org** | **String**| name of the organization |
- **username** | **String**| user to block |
+ **username** | **String**| username of the user to block |
  **note** | **String**| optional note for the block | [optional]
 
 ### Return type
@@ -5425,7 +5425,7 @@ Token.setApiKey("YOUR API KEY");
 
 OrganizationApi apiInstance = new OrganizationApi();
 String org = "org_example"; // String | name of the organization
-String username = "username_example"; // String | user to check
+String username = "username_example"; // String | username of the user to check
 try {
     Void result = apiInstance.organizationCheckUserBlock(org, username);
     System.out.println(result);
@@ -5440,7 +5440,7 @@ try {
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
  **org** | **String**| name of the organization |
- **username** | **String**| user to check |
+ **username** | **String**| username of the user to check |
 
 ### Return type
 
@@ -5605,7 +5605,7 @@ Token.setApiKey("YOUR API KEY");
 
 OrganizationApi apiInstance = new OrganizationApi();
 String org = "org_example"; // String | name of the organization
-String username = "username_example"; // String | user to unblock
+String username = "username_example"; // String | username of the user to unblock
 try {
     Void result = apiInstance.organizationUnblockUser(org, username);
     System.out.println(result);
@@ -5620,7 +5620,7 @@ try {
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
  **org** | **String**| name of the organization |
- **username** | **String**| user to unblock |
+ **username** | **String**| username of the user to unblock |
 
 ### Return type
 
diff --git a/docs/PayloadUser.md b/docs/PayloadUser.md
index 5654312..ac62b03 100644
--- a/docs/PayloadUser.md
+++ b/docs/PayloadUser.md
@@ -5,4 +5,4 @@ Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **email** | **String** |  |  [optional]
 **name** | **String** | Full name of the commit author |  [optional]
-**username** | **String** |  |  [optional]
+**username** | **String** | username of the user |  [optional]
diff --git a/docs/RepositoryApi.md b/docs/RepositoryApi.md
index 357a86e..bb16aec 100644
--- a/docs/RepositoryApi.md
+++ b/docs/RepositoryApi.md
@@ -3469,7 +3469,7 @@ Token.setApiKey("YOUR API KEY");
 RepositoryApi apiInstance = new RepositoryApi();
 String owner = "owner_example"; // String | owner of the repo
 String repo = "repo_example"; // String | name of the repo
-String collaborator = "collaborator_example"; // String | username of the collaborator to add
+String collaborator = "collaborator_example"; // String | username of the user to add or update as a collaborator
 AddCollaboratorOption body = new AddCollaboratorOption(); // AddCollaboratorOption | 
 try {
     Void result = apiInstance.repoAddCollaborator(owner, repo, collaborator, body);
@@ -3486,7 +3486,7 @@ Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
  **owner** | **String**| owner of the repo |
  **repo** | **String**| name of the repo |
- **collaborator** | **String**| username of the collaborator to add |
+ **collaborator** | **String**| username of the user to add or update as a collaborator |
  **body** | [**AddCollaboratorOption**](AddCollaboratorOption.md)|  | [optional]
 
 ### Return type
@@ -4108,7 +4108,7 @@ Token.setApiKey("YOUR API KEY");
 RepositoryApi apiInstance = new RepositoryApi();
 String owner = "owner_example"; // String | owner of the repo
 String repo = "repo_example"; // String | name of the repo
-String collaborator = "collaborator_example"; // String | username of the collaborator
+String collaborator = "collaborator_example"; // String | username of the user to check for being a collaborator
 try {
     Void result = apiInstance.repoCheckCollaborator(owner, repo, collaborator);
     System.out.println(result);
@@ -4124,7 +4124,7 @@ Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
  **owner** | **String**| owner of the repo |
  **repo** | **String**| name of the repo |
- **collaborator** | **String**| username of the collaborator |
+ **collaborator** | **String**| username of the user to check for being a collaborator |
 
 ### Return type
 
@@ -12129,7 +12129,7 @@ Token.setApiKey("YOUR API KEY");
 RepositoryApi apiInstance = new RepositoryApi();
 String owner = "owner_example"; // String | owner of the repo
 String repo = "repo_example"; // String | name of the repo
-String collaborator = "collaborator_example"; // String | username of the collaborator
+String collaborator = "collaborator_example"; // String | username of the collaborator whose permissions are to be obtained
 try {
     RepoCollaboratorPermission result = apiInstance.repoGetRepoPermissions(owner, repo, collaborator);
     System.out.println(result);
@@ -12145,7 +12145,7 @@ Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
  **owner** | **String**| owner of the repo |
  **repo** | **String**| name of the repo |
- **collaborator** | **String**| username of the collaborator |
+ **collaborator** | **String**| username of the collaborator whose permissions are to be obtained |
 
 ### Return type
 
@@ -17865,7 +17865,7 @@ Token.setApiKey("YOUR API KEY");
 RepositoryApi apiInstance = new RepositoryApi();
 String owner = "owner_example"; // String | owner of the repo
 String repo = "repo_example"; // String | name of the repo
-String user = "user_example"; // String | username of user
+String user = "user_example"; // String | username of the user whose tracked times are to be listed
 try {
     List<TrackedTime> result = apiInstance.userTrackedTimes(owner, repo, user);
     System.out.println(result);
@@ -17881,7 +17881,7 @@ Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
  **owner** | **String**| owner of the repo |
  **repo** | **String**| name of the repo |
- **user** | **String**| username of user |
+ **user** | **String**| username of the user whose tracked times are to be listed |
 
 ### Return type
 
diff --git a/docs/TrackedTime.md b/docs/TrackedTime.md
index 473fdc0..ec0a0de 100644
--- a/docs/TrackedTime.md
+++ b/docs/TrackedTime.md
@@ -9,4 +9,4 @@ Name | Type | Description | Notes
 **issueId** | **Long** | deprecated (only for backwards compatibility) |  [optional]
 **time** | **Long** | Time in seconds |  [optional]
 **userId** | **Long** | deprecated (only for backwards compatibility) |  [optional]
-**userName** | **String** |  |  [optional]
+**userName** | **String** | username of the user |  [optional]
diff --git a/docs/User.md b/docs/User.md
index 00b96f7..f481a53 100644
--- a/docs/User.md
+++ b/docs/User.md
@@ -17,8 +17,8 @@ Name | Type | Description | Notes
 **language** | **String** | User locale |  [optional]
 **lastLogin** | [**Date**](Date.md) |  |  [optional]
 **location** | **String** | the user&#x27;s location |  [optional]
-**login** | **String** | the user&#x27;s username |  [optional]
-**loginName** | **String** | the user&#x27;s authentication sign-in name. |  [optional]
+**login** | **String** | login of the user, same as &#x60;username&#x60; |  [optional]
+**loginName** | **String** | identifier of the user, provided by the external authenticator (if configured) |  [optional]
 **prohibitLogin** | **Boolean** | Is user login prohibited |  [optional]
 **restricted** | **Boolean** | Is user restricted |  [optional]
 **sourceId** | **Long** | The ID of the user&#x27;s Authentication Source |  [optional]
diff --git a/docs/UserApi.md b/docs/UserApi.md
index 4ed6830..d9dc0e8 100644
--- a/docs/UserApi.md
+++ b/docs/UserApi.md
@@ -1630,7 +1630,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 UserApi apiInstance = new UserApi();
-String username = "username_example"; // String | user to block
+String username = "username_example"; // String | username of the user to block
 String note = "note_example"; // String | optional note for the block
 try {
     Void result = apiInstance.userBlockUser(username, note);
@@ -1645,7 +1645,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| user to block |
+ **username** | **String**| username of the user to block |
  **note** | **String**| optional note for the block | [optional]
 
 ### Return type
@@ -1719,8 +1719,8 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 UserApi apiInstance = new UserApi();
-String username = "username_example"; // String | username of following user
-String target = "target_example"; // String | username of followed user
+String username = "username_example"; // String | username of the following user
+String target = "target_example"; // String | username of the followed user
 try {
     Void result = apiInstance.userCheckFollowing(username, target);
     System.out.println(result);
@@ -1734,8 +1734,8 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| username of following user |
- **target** | **String**| username of followed user |
+ **username** | **String**| username of the following user |
+ **target** | **String**| username of the followed user |
 
 ### Return type
 
@@ -1808,7 +1808,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 UserApi apiInstance = new UserApi();
-String username = "username_example"; // String | user to check
+String username = "username_example"; // String | username of the user to check
 try {
     Void result = apiInstance.userCheckUserBlock(username);
     System.out.println(result);
@@ -1822,7 +1822,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| user to check |
+ **username** | **String**| username of the user to check |
 
 ### Return type
 
@@ -2152,7 +2152,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 UserApi apiInstance = new UserApi();
-String username = "username_example"; // String | username of user
+String username = "username_example"; // String | username of the user whose token is to be created
 CreateAccessTokenOption body = new CreateAccessTokenOption(); // CreateAccessTokenOption | 
 try {
     AccessToken result = apiInstance.userCreateToken(username, body);
@@ -2167,7 +2167,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| username of user |
+ **username** | **String**| username of the user whose token is to be created |
  **body** | [**CreateAccessTokenOption**](CreateAccessTokenOption.md)|  | [optional]
 
 ### Return type
@@ -2241,7 +2241,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 UserApi apiInstance = new UserApi();
-String username = "username_example"; // String | username of followed user
+String username = "username_example"; // String | username of the user to check for authenticated followers
 try {
     Void result = apiInstance.userCurrentCheckFollowing(username);
     System.out.println(result);
@@ -2255,7 +2255,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| username of followed user |
+ **username** | **String**| username of the user to check for authenticated followers |
 
 ### Return type
 
@@ -2417,7 +2417,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 UserApi apiInstance = new UserApi();
-String username = "username_example"; // String | username of user to unfollow
+String username = "username_example"; // String | username of the user to unfollow
 try {
     Void result = apiInstance.userCurrentDeleteFollow(username);
     System.out.println(result);
@@ -2431,7 +2431,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| username of user to unfollow |
+ **username** | **String**| username of the user to unfollow |
 
 ### Return type
 
@@ -3740,7 +3740,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 UserApi apiInstance = new UserApi();
-String username = "username_example"; // String | username of user to follow
+String username = "username_example"; // String | username of the user to follow
 try {
     Void result = apiInstance.userCurrentPutFollow(username);
     System.out.println(result);
@@ -3754,7 +3754,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| username of user to follow |
+ **username** | **String**| username of the user to follow |
 
 ### Return type
 
@@ -4009,7 +4009,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 UserApi apiInstance = new UserApi();
-String username = "username_example"; // String | username of user
+String username = "username_example"; // String | username of the user whose token is to be deleted
 String token = "token_example"; // String | token to be deleted, identified by ID and if not available by name
 try {
     Void result = apiInstance.userDeleteAccessToken(username, token);
@@ -4024,7 +4024,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| username of user |
+ **username** | **String**| username of the user whose token is to be deleted |
  **token** | **String**| token to be deleted, identified by ID and if not available by name |
 
 ### Return type
@@ -4531,7 +4531,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 UserApi apiInstance = new UserApi();
-String username = "username_example"; // String | username of user to get
+String username = "username_example"; // String | username of the user whose data is to be listed
 try {
     User result = apiInstance.userGet(username);
     System.out.println(result);
@@ -4545,7 +4545,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| username of user to get |
+ **username** | **String**| username of the user whose data is to be listed |
 
 ### Return type
 
@@ -4701,7 +4701,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 UserApi apiInstance = new UserApi();
-String username = "username_example"; // String | username of user to get
+String username = "username_example"; // String | username of the user whose heatmap is to be obtained
 try {
     List<UserHeatmapData> result = apiInstance.userGetHeatmapData(username);
     System.out.println(result);
@@ -4715,7 +4715,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| username of user to get |
+ **username** | **String**| username of the user whose heatmap is to be obtained |
 
 ### Return type
 
@@ -5223,7 +5223,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 UserApi apiInstance = new UserApi();
-String username = "username_example"; // String | username of user
+String username = "username_example"; // String | username of to user whose access tokens are to be listed
 Integer page = 56; // Integer | page number of results to return (1-based)
 Integer limit = 56; // Integer | page size of results
 try {
@@ -5239,7 +5239,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| username of user |
+ **username** | **String**| username of to user whose access tokens are to be listed |
  **page** | **Integer**| page number of results to return (1-based) | [optional]
  **limit** | **Integer**| page size of results | [optional]
 
@@ -5314,7 +5314,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 UserApi apiInstance = new UserApi();
-String username = "username_example"; // String | username of user
+String username = "username_example"; // String | username of the user whose activity feeds are to be listed
 Boolean onlyPerformedBy = true; // Boolean | if true, only show actions performed by the requested user
 Date date = new Date(); // Date | the date of the activities to be found
 Integer page = 56; // Integer | page number of results to return (1-based)
@@ -5332,7 +5332,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| username of user |
+ **username** | **String**| username of the user whose activity feeds are to be listed |
  **onlyPerformedBy** | **Boolean**| if true, only show actions performed by the requested user | [optional]
  **date** | **Date**| the date of the activities to be found | [optional]
  **page** | **Integer**| page number of results to return (1-based) | [optional]
@@ -5581,7 +5581,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 UserApi apiInstance = new UserApi();
-String username = "username_example"; // String | username of user
+String username = "username_example"; // String | username of the user whose followers are to be listed
 Integer page = 56; // Integer | page number of results to return (1-based)
 Integer limit = 56; // Integer | page size of results
 try {
@@ -5597,7 +5597,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| username of user |
+ **username** | **String**| username of the user whose followers are to be listed |
  **page** | **Integer**| page number of results to return (1-based) | [optional]
  **limit** | **Integer**| page size of results | [optional]
 
@@ -5672,7 +5672,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 UserApi apiInstance = new UserApi();
-String username = "username_example"; // String | username of user
+String username = "username_example"; // String | username of the user whose followed users are to be listed
 Integer page = 56; // Integer | page number of results to return (1-based)
 Integer limit = 56; // Integer | page size of results
 try {
@@ -5688,7 +5688,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| username of user |
+ **username** | **String**| username of the user whose followed users are to be listed |
  **page** | **Integer**| page number of results to return (1-based) | [optional]
  **limit** | **Integer**| page size of results | [optional]
 
@@ -5763,7 +5763,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 UserApi apiInstance = new UserApi();
-String username = "username_example"; // String | username of user
+String username = "username_example"; // String | username of the user whose GPG key list is to be obtained
 Integer page = 56; // Integer | page number of results to return (1-based)
 Integer limit = 56; // Integer | page size of results
 try {
@@ -5779,7 +5779,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| username of user |
+ **username** | **String**| username of the user whose GPG key list is to be obtained |
  **page** | **Integer**| page number of results to return (1-based) | [optional]
  **limit** | **Integer**| page size of results | [optional]
 
@@ -5943,7 +5943,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 UserApi apiInstance = new UserApi();
-String username = "username_example"; // String | username of user
+String username = "username_example"; // String | username of the user whose public keys are to be listed
 String fingerprint = "fingerprint_example"; // String | fingerprint of the key
 Integer page = 56; // Integer | page number of results to return (1-based)
 Integer limit = 56; // Integer | page size of results
@@ -5960,7 +5960,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| username of user |
+ **username** | **String**| username of the user whose public keys are to be listed |
  **fingerprint** | **String**| fingerprint of the key | [optional]
  **page** | **Integer**| page number of results to return (1-based) | [optional]
  **limit** | **Integer**| page size of results | [optional]
@@ -6036,7 +6036,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 UserApi apiInstance = new UserApi();
-String username = "username_example"; // String | username of user
+String username = "username_example"; // String | username of the user whose owned repos are to be listed
 Integer page = 56; // Integer | page number of results to return (1-based)
 Integer limit = 56; // Integer | page size of results
 try {
@@ -6052,7 +6052,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| username of user |
+ **username** | **String**| username of the user whose owned repos are to be listed |
  **page** | **Integer**| page number of results to return (1-based) | [optional]
  **limit** | **Integer**| page size of results | [optional]
 
@@ -6127,7 +6127,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 UserApi apiInstance = new UserApi();
-String username = "username_example"; // String | username of user
+String username = "username_example"; // String | username of the user whose starred repos are to be listed
 Integer page = 56; // Integer | page number of results to return (1-based)
 Integer limit = 56; // Integer | page size of results
 try {
@@ -6143,7 +6143,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| username of user |
+ **username** | **String**| username of the user whose starred repos are to be listed |
  **page** | **Integer**| page number of results to return (1-based) | [optional]
  **limit** | **Integer**| page size of results | [optional]
 
@@ -6218,7 +6218,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 UserApi apiInstance = new UserApi();
-String username = "username_example"; // String | username of the user
+String username = "username_example"; // String | username of the user whose watched repos are to be listed
 Integer page = 56; // Integer | page number of results to return (1-based)
 Integer limit = 56; // Integer | page size of results
 try {
@@ -6234,7 +6234,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| username of the user |
+ **username** | **String**| username of the user whose watched repos are to be listed |
  **page** | **Integer**| page number of results to return (1-based) | [optional]
  **limit** | **Integer**| page size of results | [optional]
 
@@ -6491,7 +6491,7 @@ Token.setApiKey("YOUR API KEY");
 //Token.setApiKeyPrefix("Token");
 
 UserApi apiInstance = new UserApi();
-String username = "username_example"; // String | user to unblock
+String username = "username_example"; // String | username of the user to unblock
 try {
     Void result = apiInstance.userUnblockUser(username);
     System.out.println(result);
@@ -6505,7 +6505,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **String**| user to unblock |
+ **username** | **String**| username of the user to unblock |
 
 ### Return type
 
diff --git a/src/main/java/org/gitnex/tea4j/v2/apis/AdminApi.java b/src/main/java/org/gitnex/tea4j/v2/apis/AdminApi.java
index d48f003..4770e36 100644
--- a/src/main/java/org/gitnex/tea4j/v2/apis/AdminApi.java
+++ b/src/main/java/org/gitnex/tea4j/v2/apis/AdminApi.java
@@ -28,7 +28,7 @@ public interface AdminApi {
   /**
    * Add a badge to a user
    *
-   * @param username username of user (required)
+   * @param username username of the user to whom a badge is to be added (required)
    * @param body (optional)
    * @return Call&lt;Void&gt;
    */
@@ -62,7 +62,7 @@ public interface AdminApi {
    * Create an organization
    *
    * @param body (required)
-   * @param username username of the user that will own the created organization (required)
+   * @param username username of the user who will own the created organization (required)
    * @return Call&lt;Organization&gt;
    */
   @Headers({"Content-Type:application/json"})
@@ -73,7 +73,7 @@ public interface AdminApi {
   /**
    * Add a public key on behalf of a user
    *
-   * @param username username of the user (required)
+   * @param username username of the user who is to receive a public key (required)
    * @param body (optional)
    * @return Call&lt;PublicKey&gt;
    */
@@ -86,7 +86,7 @@ public interface AdminApi {
    * Create a repository on behalf of a user
    *
    * @param body (required)
-   * @param username username of the user. This user will own the created repository (required)
+   * @param username username of the user who will own the created repository (required)
    * @return Call&lt;Repository&gt;
    */
   @Headers({"Content-Type:application/json"})
@@ -155,7 +155,7 @@ public interface AdminApi {
   /**
    * Delete a user
    *
-   * @param username username of user to delete (required)
+   * @param username username of the user to delete (required)
    * @param purge purge the user from the system completely (optional)
    * @return Call&lt;Void&gt;
    */
@@ -167,7 +167,7 @@ public interface AdminApi {
   /**
    * Remove a badge from a user
    *
-   * @param username username of user (required)
+   * @param username username of the user whose badge is to be deleted (required)
    * @param body (optional)
    * @return Call&lt;Void&gt;
    */
@@ -179,7 +179,7 @@ public interface AdminApi {
   /**
    * Delete a user&#x27;s public key
    *
-   * @param username username of user (required)
+   * @param username username of the user whose public key is to be deleted (required)
    * @param id id of the key to delete (required)
    * @return Call&lt;Void&gt;
    */
@@ -202,7 +202,7 @@ public interface AdminApi {
   /**
    * Edit an existing user
    *
-   * @param username username of user to edit (required)
+   * @param username username of the user whose data is to be edited (required)
    * @param body (optional)
    * @return Call&lt;User&gt;
    */
@@ -267,7 +267,7 @@ public interface AdminApi {
   /**
    * List a user&#x27;s badges
    *
-   * @param username username of user (required)
+   * @param username username of the user whose badges are to be listed (required)
    * @return Call&lt;List&lt;Badge&gt;&gt;
    */
   @GET("admin/users/{username}/badges")
@@ -277,7 +277,7 @@ public interface AdminApi {
    * Rename a user
    *
    * @param body (required)
-   * @param username existing username of user (required)
+   * @param username current username of the user (required)
    * @return Call&lt;Void&gt;
    */
   @Headers({"Content-Type:application/json"})
@@ -303,7 +303,7 @@ public interface AdminApi {
    * Search users according filter conditions
    *
    * @param sourceId ID of the user&#x27;s login source to search for (optional)
-   * @param loginName user&#x27;s login name to search for (optional)
+   * @param loginName identifier of the user, provided by the external authenticator (optional)
    * @param page page number of results to return (1-based) (optional)
    * @param limit page size of results (optional)
    * @return Call&lt;List&lt;User&gt;&gt;
diff --git a/src/main/java/org/gitnex/tea4j/v2/apis/IssueApi.java b/src/main/java/org/gitnex/tea4j/v2/apis/IssueApi.java
index b56cae5..6eba288 100644
--- a/src/main/java/org/gitnex/tea4j/v2/apis/IssueApi.java
+++ b/src/main/java/org/gitnex/tea4j/v2/apis/IssueApi.java
@@ -57,7 +57,7 @@ public interface IssueApi {
    * @param owner owner of the repo (required)
    * @param repo name of the repo (required)
    * @param index index of the issue (required)
-   * @param user user to subscribe (required)
+   * @param user username of the user to subscribe the issue to (required)
    * @return Call&lt;Void&gt;
    */
   @PUT("repos/{owner}/{repo}/issues/{index}/subscriptions/{user}")
@@ -405,7 +405,7 @@ public interface IssueApi {
    * @param owner owner of the repo (required)
    * @param repo name of the repo (required)
    * @param index index of the issue (required)
-   * @param user user witch unsubscribe (required)
+   * @param user username of the user to unsubscribe from an issue (required)
    * @return Call&lt;Void&gt;
    */
   @DELETE("repos/{owner}/{repo}/issues/{index}/subscriptions/{user}")
diff --git a/src/main/java/org/gitnex/tea4j/v2/apis/OrganizationApi.java b/src/main/java/org/gitnex/tea4j/v2/apis/OrganizationApi.java
index 3f7543a..bbe88c6 100644
--- a/src/main/java/org/gitnex/tea4j/v2/apis/OrganizationApi.java
+++ b/src/main/java/org/gitnex/tea4j/v2/apis/OrganizationApi.java
@@ -199,7 +199,7 @@ public interface OrganizationApi {
    * Add a team member
    *
    * @param id id of the team (required)
-   * @param username username of the user to add (required)
+   * @param username username of the user to add to a team (required)
    * @return Call&lt;Void&gt;
    */
   @PUT("teams/{id}/members/{username}")
@@ -224,7 +224,7 @@ public interface OrganizationApi {
    * Conceal a user&#x27;s membership
    *
    * @param org name of the organization (required)
-   * @param username username of the user (required)
+   * @param username username of the user whose membership is to be concealed (required)
    * @return Call&lt;Void&gt;
    */
   @DELETE("orgs/{org}/public_members/{username}")
@@ -330,7 +330,7 @@ public interface OrganizationApi {
    * Remove a member from an organization
    *
    * @param org name of the organization (required)
-   * @param username username of the user (required)
+   * @param username username of the user to remove from the organization (required)
    * @return Call&lt;Void&gt;
    */
   @DELETE("orgs/{org}/members/{username}")
@@ -462,7 +462,7 @@ public interface OrganizationApi {
   /**
    * Get user permissions in organization
    *
-   * @param username username of user (required)
+   * @param username username of the user whose permissions are to be obtained (required)
    * @param org name of the organization (required)
    * @return Call&lt;OrganizationPermissions&gt;
    */
@@ -474,7 +474,7 @@ public interface OrganizationApi {
    * Check if a user is a member of an organization
    *
    * @param org name of the organization (required)
-   * @param username username of the user (required)
+   * @param username username of the user to check for an organization membership (required)
    * @return Call&lt;Void&gt;
    */
   @GET("orgs/{org}/members/{username}")
@@ -485,7 +485,7 @@ public interface OrganizationApi {
    * Check if a user is a public member of an organization
    *
    * @param org name of the organization (required)
-   * @param username username of the user (required)
+   * @param username username of the user to check for a public organization membership (required)
    * @return Call&lt;Void&gt;
    */
   @GET("orgs/{org}/public_members/{username}")
@@ -623,7 +623,7 @@ public interface OrganizationApi {
    * List a particular member of team
    *
    * @param id id of the team (required)
-   * @param username username of the member to list (required)
+   * @param username username of the user whose data is to be listed (required)
    * @return Call&lt;User&gt;
    */
   @GET("teams/{id}/members/{username}")
@@ -689,7 +689,7 @@ public interface OrganizationApi {
   /**
    * List a user&#x27;s organizations
    *
-   * @param username username of user (required)
+   * @param username username of the user whose organizations are to be listed (required)
    * @param page page number of results to return (1-based) (optional)
    * @param limit page size of results (optional)
    * @return Call&lt;List&lt;Organization&gt;&gt;
@@ -704,7 +704,7 @@ public interface OrganizationApi {
    * Publicize a user&#x27;s membership
    *
    * @param org name of the organization (required)
-   * @param username username of the user (required)
+   * @param username username of the user whose membership is to be publicized (required)
    * @return Call&lt;Void&gt;
    */
   @PUT("orgs/{org}/public_members/{username}")
@@ -715,7 +715,7 @@ public interface OrganizationApi {
    * Remove a team member
    *
    * @param id id of the team (required)
-   * @param username username of the user to remove (required)
+   * @param username username of the user to remove from a team (required)
    * @return Call&lt;Void&gt;
    */
   @DELETE("teams/{id}/members/{username}")
@@ -753,7 +753,7 @@ public interface OrganizationApi {
    * Block a user
    *
    * @param org name of the organization (required)
-   * @param username user to block (required)
+   * @param username username of the user to block (required)
    * @param note optional note for the block (optional)
    * @return Call&lt;Void&gt;
    */
@@ -767,7 +767,7 @@ public interface OrganizationApi {
    * Check if a user is blocked by the organization
    *
    * @param org name of the organization (required)
-   * @param username user to check (required)
+   * @param username username of the user to check (required)
    * @return Call&lt;Void&gt;
    */
   @GET("orgs/{org}/blocks/{username}")
@@ -792,7 +792,7 @@ public interface OrganizationApi {
    * Unblock a user
    *
    * @param org name of the organization (required)
-   * @param username user to unblock (required)
+   * @param username username of the user to unblock (required)
    * @return Call&lt;Void&gt;
    */
   @DELETE("orgs/{org}/blocks/{username}")
diff --git a/src/main/java/org/gitnex/tea4j/v2/apis/RepositoryApi.java b/src/main/java/org/gitnex/tea4j/v2/apis/RepositoryApi.java
index 225b3e5..c2322b7 100644
--- a/src/main/java/org/gitnex/tea4j/v2/apis/RepositoryApi.java
+++ b/src/main/java/org/gitnex/tea4j/v2/apis/RepositoryApi.java
@@ -639,7 +639,7 @@ public interface RepositoryApi {
    *
    * @param owner owner of the repo (required)
    * @param repo name of the repo (required)
-   * @param collaborator username of the collaborator to add (required)
+   * @param collaborator username of the user to add or update as a collaborator (required)
    * @param body (optional)
    * @return Call&lt;Void&gt;
    */
@@ -743,7 +743,7 @@ public interface RepositoryApi {
    *
    * @param owner owner of the repo (required)
    * @param repo name of the repo (required)
-   * @param collaborator username of the collaborator (required)
+   * @param collaborator username of the user to check for being a collaborator (required)
    * @return Call&lt;Void&gt;
    */
   @GET("repos/{owner}/{repo}/collaborators/{collaborator}")
@@ -2109,7 +2109,8 @@ public interface RepositoryApi {
    *
    * @param owner owner of the repo (required)
    * @param repo name of the repo (required)
-   * @param collaborator username of the collaborator (required)
+   * @param collaborator username of the collaborator whose permissions are to be obtained
+   *     (required)
    * @return Call&lt;RepoCollaboratorPermission&gt;
    */
   @GET("repos/{owner}/{repo}/collaborators/{collaborator}/permission")
@@ -3082,7 +3083,7 @@ public interface RepositoryApi {
    *
    * @param owner owner of the repo (required)
    * @param repo name of the repo (required)
-   * @param user username of user (required)
+   * @param user username of the user whose tracked times are to be listed (required)
    * @return Call&lt;List&lt;TrackedTime&gt;&gt;
    */
   @GET("repos/{owner}/{repo}/times/{user}")
diff --git a/src/main/java/org/gitnex/tea4j/v2/apis/UserApi.java b/src/main/java/org/gitnex/tea4j/v2/apis/UserApi.java
index e97d9c9..ffbca2e 100644
--- a/src/main/java/org/gitnex/tea4j/v2/apis/UserApi.java
+++ b/src/main/java/org/gitnex/tea4j/v2/apis/UserApi.java
@@ -229,7 +229,7 @@ public interface UserApi {
   /**
    * Block a user
    *
-   * @param username user to block (required)
+   * @param username username of the user to block (required)
    * @param note optional note for the block (optional)
    * @return Call&lt;Void&gt;
    */
@@ -240,8 +240,8 @@ public interface UserApi {
   /**
    * Check if one user is following another user
    *
-   * @param username username of following user (required)
-   * @param target username of followed user (required)
+   * @param username username of the following user (required)
+   * @param target username of the followed user (required)
    * @return Call&lt;Void&gt;
    */
   @GET("users/{username}/following/{target}")
@@ -252,7 +252,7 @@ public interface UserApi {
   /**
    * Check if a user is blocked by the authenticated user
    *
-   * @param username user to check (required)
+   * @param username username of the user to check (required)
    * @return Call&lt;Void&gt;
    */
   @GET("user/blocks/{username}")
@@ -290,7 +290,7 @@ public interface UserApi {
   /**
    * Create an access token
    *
-   * @param username username of user (required)
+   * @param username username of the user whose token is to be created (required)
    * @param body (optional)
    * @return Call&lt;AccessToken&gt;
    */
@@ -303,7 +303,7 @@ public interface UserApi {
   /**
    * Check whether a user is followed by the authenticated user
    *
-   * @param username username of followed user (required)
+   * @param username username of the user to check for authenticated followers (required)
    * @return Call&lt;Void&gt;
    */
   @GET("user/following/{username}")
@@ -323,7 +323,7 @@ public interface UserApi {
   /**
    * Unfollow a user
    *
-   * @param username username of user to unfollow (required)
+   * @param username username of the user to unfollow (required)
    * @return Call&lt;Void&gt;
    */
   @DELETE("user/following/{username}")
@@ -479,7 +479,7 @@ public interface UserApi {
   /**
    * Follow a user
    *
-   * @param username username of user to follow (required)
+   * @param username username of the user to follow (required)
    * @return Call&lt;Void&gt;
    */
   @PUT("user/following/{username}")
@@ -517,7 +517,7 @@ public interface UserApi {
   /**
    * delete an access token
    *
-   * @param username username of user (required)
+   * @param username username of the user whose token is to be deleted (required)
    * @param token token to be deleted, identified by ID and if not available by name (required)
    * @return Call&lt;Void&gt;
    */
@@ -576,7 +576,7 @@ public interface UserApi {
   /**
    * Get a user
    *
-   * @param username username of user to get (required)
+   * @param username username of the user whose data is to be listed (required)
    * @return Call&lt;User&gt;
    */
   @GET("users/{username}")
@@ -593,7 +593,7 @@ public interface UserApi {
   /**
    * Get a user&#x27;s heatmap
    *
-   * @param username username of user to get (required)
+   * @param username username of the user whose heatmap is to be obtained (required)
    * @return Call&lt;List&lt;UserHeatmapData&gt;&gt;
    */
   @GET("users/{username}/heatmap")
@@ -650,7 +650,7 @@ public interface UserApi {
   /**
    * List the authenticated user&#x27;s access tokens
    *
-   * @param username username of user (required)
+   * @param username username of to user whose access tokens are to be listed (required)
    * @param page page number of results to return (1-based) (optional)
    * @param limit page size of results (optional)
    * @return Call&lt;List&lt;AccessToken&gt;&gt;
@@ -664,7 +664,7 @@ public interface UserApi {
   /**
    * List a user&#x27;s activity feeds
    *
-   * @param username username of user (required)
+   * @param username username of the user whose activity feeds are to be listed (required)
    * @param onlyPerformedBy if true, only show actions performed by the requested user (optional)
    * @param date the date of the activities to be found (optional)
    * @param page page number of results to return (1-based) (optional)
@@ -701,7 +701,7 @@ public interface UserApi {
   /**
    * List the given user&#x27;s followers
    *
-   * @param username username of user (required)
+   * @param username username of the user whose followers are to be listed (required)
    * @param page page number of results to return (1-based) (optional)
    * @param limit page size of results (optional)
    * @return Call&lt;List&lt;User&gt;&gt;
@@ -715,7 +715,7 @@ public interface UserApi {
   /**
    * List the users that the given user is following
    *
-   * @param username username of user (required)
+   * @param username username of the user whose followed users are to be listed (required)
    * @param page page number of results to return (1-based) (optional)
    * @param limit page size of results (optional)
    * @return Call&lt;List&lt;User&gt;&gt;
@@ -729,7 +729,7 @@ public interface UserApi {
   /**
    * List the given user&#x27;s GPG keys
    *
-   * @param username username of user (required)
+   * @param username username of the user whose GPG key list is to be obtained (required)
    * @param page page number of results to return (1-based) (optional)
    * @param limit page size of results (optional)
    * @return Call&lt;List&lt;GPGKey&gt;&gt;
@@ -754,7 +754,7 @@ public interface UserApi {
   /**
    * List the given user&#x27;s public keys
    *
-   * @param username username of user (required)
+   * @param username username of the user whose public keys are to be listed (required)
    * @param fingerprint fingerprint of the key (optional)
    * @param page page number of results to return (1-based) (optional)
    * @param limit page size of results (optional)
@@ -770,7 +770,7 @@ public interface UserApi {
   /**
    * List the repos owned by the given user
    *
-   * @param username username of user (required)
+   * @param username username of the user whose owned repos are to be listed (required)
    * @param page page number of results to return (1-based) (optional)
    * @param limit page size of results (optional)
    * @return Call&lt;List&lt;Repository&gt;&gt;
@@ -784,7 +784,7 @@ public interface UserApi {
   /**
    * The repos that the given user has starred
    *
-   * @param username username of user (required)
+   * @param username username of the user whose starred repos are to be listed (required)
    * @param page page number of results to return (1-based) (optional)
    * @param limit page size of results (optional)
    * @return Call&lt;List&lt;Repository&gt;&gt;
@@ -798,7 +798,7 @@ public interface UserApi {
   /**
    * List the repositories watched by a user
    *
-   * @param username username of the user (required)
+   * @param username username of the user whose watched repos are to be listed (required)
    * @param page page number of results to return (1-based) (optional)
    * @param limit page size of results (optional)
    * @return Call&lt;List&lt;Repository&gt;&gt;
@@ -839,7 +839,7 @@ public interface UserApi {
   /**
    * Unblock a user
    *
-   * @param username user to unblock (required)
+   * @param username username of the user to unblock (required)
    * @return Call&lt;Void&gt;
    */
   @DELETE("user/blocks/{username}")
diff --git a/src/main/java/org/gitnex/tea4j/v2/models/AddTimeOption.java b/src/main/java/org/gitnex/tea4j/v2/models/AddTimeOption.java
index aec2eda..b947e55 100644
--- a/src/main/java/org/gitnex/tea4j/v2/models/AddTimeOption.java
+++ b/src/main/java/org/gitnex/tea4j/v2/models/AddTimeOption.java
@@ -76,11 +76,11 @@ public class AddTimeOption implements Serializable {
   }
 
   /**
-   * User who spent the time (optional)
+   * username of the user who spent the time working on the issue (optional)
    *
    * @return userName
    */
-  @Schema(description = "User who spent the time (optional)")
+  @Schema(description = "username of the user who spent the time working on the issue (optional)")
   public String getUserName() {
     return userName;
   }
diff --git a/src/main/java/org/gitnex/tea4j/v2/models/CreateOrgOption.java b/src/main/java/org/gitnex/tea4j/v2/models/CreateOrgOption.java
index cdb6765..9ec9b77 100644
--- a/src/main/java/org/gitnex/tea4j/v2/models/CreateOrgOption.java
+++ b/src/main/java/org/gitnex/tea4j/v2/models/CreateOrgOption.java
@@ -200,11 +200,11 @@ public class CreateOrgOption implements Serializable {
   }
 
   /**
-   * Get username
+   * username of the organization
    *
    * @return username
    */
-  @Schema(required = true, description = "")
+  @Schema(required = true, description = "username of the organization")
   public String getUsername() {
     return username;
   }
diff --git a/src/main/java/org/gitnex/tea4j/v2/models/CreateUserOption.java b/src/main/java/org/gitnex/tea4j/v2/models/CreateUserOption.java
index 6c9fba0..755b40f 100644
--- a/src/main/java/org/gitnex/tea4j/v2/models/CreateUserOption.java
+++ b/src/main/java/org/gitnex/tea4j/v2/models/CreateUserOption.java
@@ -33,7 +33,7 @@ public class CreateUserOption implements Serializable {
   private String fullName = null;
 
   @SerializedName("login_name")
-  private String loginName = null;
+  private String loginName = "empty";
 
   @SerializedName("must_change_password")
   private Boolean mustChangePassword = null;
@@ -124,11 +124,13 @@ public class CreateUserOption implements Serializable {
   }
 
   /**
-   * Get loginName
+   * identifier of the user, provided by the external authenticator (if configured)
    *
    * @return loginName
    */
-  @Schema(description = "")
+  @Schema(
+      description =
+          "identifier of the user, provided by the external authenticator (if configured)")
   public String getLoginName() {
     return loginName;
   }
@@ -238,11 +240,11 @@ public class CreateUserOption implements Serializable {
   }
 
   /**
-   * Get username
+   * username of the user
    *
    * @return username
    */
-  @Schema(required = true, description = "")
+  @Schema(required = true, description = "username of the user")
   public String getUsername() {
     return username;
   }
diff --git a/src/main/java/org/gitnex/tea4j/v2/models/EditUserOption.java b/src/main/java/org/gitnex/tea4j/v2/models/EditUserOption.java
index baad9a2..8b3bb60 100644
--- a/src/main/java/org/gitnex/tea4j/v2/models/EditUserOption.java
+++ b/src/main/java/org/gitnex/tea4j/v2/models/EditUserOption.java
@@ -50,7 +50,7 @@ public class EditUserOption implements Serializable {
   private String location = null;
 
   @SerializedName("login_name")
-  private String loginName = null;
+  private String loginName = "empty";
 
   @SerializedName("max_repo_creation")
   private Long maxRepoCreation = null;
@@ -253,11 +253,14 @@ public class EditUserOption implements Serializable {
   }
 
   /**
-   * Get loginName
+   * identifier of the user, provided by the external authenticator (if configured)
    *
    * @return loginName
    */
-  @Schema(required = true, description = "")
+  @Schema(
+      required = true,
+      description =
+          "identifier of the user, provided by the external authenticator (if configured)")
   public String getLoginName() {
     return loginName;
   }
diff --git a/src/main/java/org/gitnex/tea4j/v2/models/Email.java b/src/main/java/org/gitnex/tea4j/v2/models/Email.java
index 8fdbf7a..ef1123b 100644
--- a/src/main/java/org/gitnex/tea4j/v2/models/Email.java
+++ b/src/main/java/org/gitnex/tea4j/v2/models/Email.java
@@ -100,11 +100,11 @@ public class Email implements Serializable {
   }
 
   /**
-   * Get username
+   * username of the user
    *
    * @return username
    */
-  @Schema(description = "")
+  @Schema(description = "username of the user")
   public String getUsername() {
     return username;
   }
diff --git a/src/main/java/org/gitnex/tea4j/v2/models/Organization.java b/src/main/java/org/gitnex/tea4j/v2/models/Organization.java
index 1bd8f09..c426e87 100644
--- a/src/main/java/org/gitnex/tea4j/v2/models/Organization.java
+++ b/src/main/java/org/gitnex/tea4j/v2/models/Organization.java
@@ -213,11 +213,11 @@ public class Organization implements Serializable {
   }
 
   /**
-   * deprecated
+   * username of the organization deprecated
    *
    * @return username
    */
-  @Schema(description = "deprecated")
+  @Schema(description = "username of the organization deprecated")
   public String getUsername() {
     return username;
   }
diff --git a/src/main/java/org/gitnex/tea4j/v2/models/PayloadUser.java b/src/main/java/org/gitnex/tea4j/v2/models/PayloadUser.java
index 85180b6..d78f30a 100644
--- a/src/main/java/org/gitnex/tea4j/v2/models/PayloadUser.java
+++ b/src/main/java/org/gitnex/tea4j/v2/models/PayloadUser.java
@@ -75,11 +75,11 @@ public class PayloadUser implements Serializable {
   }
 
   /**
-   * Get username
+   * username of the user
    *
    * @return username
    */
-  @Schema(description = "")
+  @Schema(description = "username of the user")
   public String getUsername() {
     return username;
   }
diff --git a/src/main/java/org/gitnex/tea4j/v2/models/TrackedTime.java b/src/main/java/org/gitnex/tea4j/v2/models/TrackedTime.java
index 4ac7012..e62697c 100644
--- a/src/main/java/org/gitnex/tea4j/v2/models/TrackedTime.java
+++ b/src/main/java/org/gitnex/tea4j/v2/models/TrackedTime.java
@@ -164,11 +164,11 @@ public class TrackedTime implements Serializable {
   }
 
   /**
-   * Get userName
+   * username of the user
    *
    * @return userName
    */
-  @Schema(description = "")
+  @Schema(description = "username of the user")
   public String getUserName() {
     return userName;
   }
diff --git a/src/main/java/org/gitnex/tea4j/v2/models/User.java b/src/main/java/org/gitnex/tea4j/v2/models/User.java
index 13e2e7f..6e45805 100644
--- a/src/main/java/org/gitnex/tea4j/v2/models/User.java
+++ b/src/main/java/org/gitnex/tea4j/v2/models/User.java
@@ -361,11 +361,11 @@ public class User implements Serializable {
   }
 
   /**
-   * the user&#x27;s username
+   * login of the user, same as &#x60;username&#x60;
    *
    * @return login
    */
-  @Schema(description = "the user's username")
+  @Schema(description = "login of the user, same as `username`")
   public String getLogin() {
     return login;
   }
@@ -380,11 +380,13 @@ public class User implements Serializable {
   }
 
   /**
-   * the user&#x27;s authentication sign-in name.
+   * identifier of the user, provided by the external authenticator (if configured)
    *
    * @return loginName
    */
-  @Schema(description = "the user's authentication sign-in name.")
+  @Schema(
+      description =
+          "identifier of the user, provided by the external authenticator (if configured)")
   public String getLoginName() {
     return loginName;
   }