diff --git a/readthedocs/examples/users.rst b/readthedocs/examples/users.rst
index d9c648ae..ea83871d 100644
--- a/readthedocs/examples/users.rst
+++ b/readthedocs/examples/users.rst
@@ -25,7 +25,7 @@ you should use :tl:`GetFullUser`:
     # or even
     full = await client(GetFullUserRequest('username'))
 
-    bio = full.about
+    bio = full.full_user.about
 
 
 See :tl:`UserFull` to know what other fields you can access.
diff --git a/telethon/_client/chats.py b/telethon/_client/chats.py
index 0759acc2..cd6d9726 100644
--- a/telethon/_client/chats.py
+++ b/telethon/_client/chats.py
@@ -634,13 +634,8 @@ async def get_permissions(
     entity = await self.get_entity(entity)
 
     if not user:
-        if isinstance(entity, _tl.Channel):
-            FullChat = await self(_tl.fn.channels.GetFullChannel(entity))
-        elif isinstance(entity, _tl.Chat):
-            FullChat = await self(_tl.fn.messages.GetFullChat(entity))
-        else:
-            return
-        return FullChat.chats[0].default_banned_rights
+        if helpers._entity_type(entity) != helpers._EntityType.USER:
+            return entity.default_banned_rights
 
     entity = await self.get_input_entity(entity)
     user = await self.get_input_entity(user)