docs: update view docstring

Author: BryanttV

openedx_authz/rest_api/v1/views.py

@@ -257,7 +257,9 @@ class RoleUserAPIView(APIView):
     **Authentication and Permissions**
 
     - Requires authenticated user.
-    - Requires ``manage_library_team`` permission for the scope.
+
+    - GET: Requires ``view_library_team`` or ``view_course_team`` permission according to the scope.
+    - PUT and DELETE: Requires ``manage_library_team`` or ``manage_course_team`` permission according to the scope.
 
     **Example Request**