diff --git a/telethon/client/chats.py b/telethon/client/chats.py
index 6ef0f946..0dbde055 100644
--- a/telethon/client/chats.py
+++ b/telethon/client/chats.py
@@ -1313,7 +1313,7 @@ class ChatMethods:
         finally:
             await self._return_exported_sender(sender)
 
-    async def change_groupcall(method:str,
+    async def modify_groupcall(self: 'TelegramClient', method:str,
                                chat,
                                title:str=None):
         if not method:
@@ -1336,4 +1336,4 @@ class ChatMethods:
 
         
 
-    # endregion
\ No newline at end of file
+    # endregion