pyrofork: fix on_error help

Signed-off-by: wulan17 <wulan17@komodos.id>

Author: wulan17

pyrogram/methods/decorators/on_error.py

@@ -28,7 +28,7 @@ def on_error(self=None, errors=None) -> Callable:
         """Decorator for handling new errors.
 
         This does the same thing as :meth:`~pyrogram.Client.add_handler` using the
-        :obj:`~pyrogram.handlers.MessageHandler`.
+        :obj:`~pyrogram.handlers.ErrorHandler`.
 
         Parameters:
             errors (:obj:`~Exception`, *optional*):