Update docs

docs/source/api/handlers.rst

@@ -5,7 +5,7 @@ Handlers are used to instruct Pyrogram about which kind of updates you'd like to
 For a much more convenient way of registering callback functions have a look at :doc:`Decorators <decorators>` instead.
 
 .. code-block:: python
-    :emphasize-lines: 1, 10
+    :emphasize-lines: 2, 11
 
     from pyrogram import Client
     from pyrogram.handlers import MessageHandler