Update guild.py

Co-authored-by: Soheab <33902984+Soheab@users.noreply.github.com>
Signed-off-by: Lumouille <144063653+Lumabots@users.noreply.github.com>

Author: Lumabots

discord/guild.py

@@ -1046,7 +1046,7 @@ async def get_or_fetch(
         object_id: :class:`int` | :data:`None`
             ID of the object to get. If :data:`None`, returns `default` if provided, otherwise :data:`None`.
 
-        default : Any | :data:`None`
+        default: Any | :data:`None`
             The value to return instead of raising if fetching fails or if `object_id` is :data:`None`.
 
         Returns