Improve the example for abc.Messageable.typing

discord/abc.py

@@ -1310,9 +1310,10 @@ class Messageable(Protocol):
             This means that both ``with`` and ``async with`` work with this.
 
         Example Usage: ::
-
             async with channel.typing(): 
-                # do expensive stuff here
+                # stimulate something heavy 
+                await asyncio.sleep(10)
+
             await channel.send('done!')
 
         """