diff --git a/docs/en/UI/Angular/OAuth-Module.md b/docs/en/UI/Angular/OAuth-Module.md
index a14b49bed0..e7a62d1d2e 100644
--- a/docs/en/UI/Angular/OAuth-Module.md
+++ b/docs/en/UI/Angular/OAuth-Module.md
@@ -7,8 +7,15 @@ Those abstractions can be found in the @abp/ng-core packages.
 - `AuthService` (the class that implements the IAuthService interface).
 - `NAVIGATE_TO_MANAGE_PROFILE` Inject token.
 - `AuthGuard` (the class that implements the IAuthGuard interface).
+- `ApiInterceptor` (the class that implements the IApiInterceptor interface).
+
+Those base classes are overridden by the "AbpOAuthModule" for oAuth. There are also three functions provided with AbpOAuthModule.
+
+- `PIPE_TO_LOGIN_FN_KEY` a provide that calls a function when the user is not authenticated. The function should be PipeToLoginFn type.
+- `SET_TOKEN_RESPONSE_TO_STORAGE_FN_KEY` a provide that calls a function when the user is authenticated. The function should be  SetTokenResponseToStorageFn type.
+- `CHECK_AUTHENTICATION_STATE_FN_KEY` a provide that calls a function when the user is authenticated and stores the auth state. The function should be CheckAuthenticationStateFn type.
+The tokens and interfaces are in the `@abp/ng.core` package but the implementation of these interfaces is in the `@abp/ng.oauth` package.
 
-Those base classes are overridden by the "AbpOAuthModule" for oAuth.
 If you want to make your own authentication system, you must also change these 'abstract' classes.
 
-ApiInterceptor is provided by @abp/ng.oauth. The ApiInterceptor adds the token, accepted-language, and tenant id to the header of the HTTP request.
+ApiInterceptor is provided by `@abp/ng.core` but overridden with `@abp/ng.oauth`. The ApiInterceptor adds the token, accepted-language, and tenant id to the header of the HTTP request. It also calls the http-wait service.