diff --git a/docs/source/migration_1_to_2.rst b/docs/source/migration_1_to_2.rst
index 67684831..3d98d86e 100644
--- a/docs/source/migration_1_to_2.rst
+++ b/docs/source/migration_1_to_2.rst
@@ -73,7 +73,7 @@ Also you can bind your own filters for using as keyword arguments:
             
         async def check(self, message: types.Message):
             member = await bot.get_chat_member(message.chat.id, message.from_user.id)
-            return member.is_admin()
+            return member.is_chat_admin()
 
     dp.filters_factory.bind(MyFilter)