diff --git a/plugins/auth-backend/src/providers/types.ts b/plugins/auth-backend/src/providers/types.ts
index 51c1ee336e..a31ef85a7d 100644
--- a/plugins/auth-backend/src/providers/types.ts
+++ b/plugins/auth-backend/src/providers/types.ts
@@ -113,6 +113,9 @@ export interface AuthProviderRouteHandlers {
 }
 
 export type IdentityResolver = (
+  /**
+   * An object containing information specific to the auth provider.
+   */
   payload: object,
   catalogApi: CatalogApi,
 ) => Promise<AuthResponse<any>>;