Fix double spaces

Co-authored-by: Dorukyum <53639936+Dorukyum@users.noreply.github.com>

Author: ChickenDevs

discord/member.py

@@ -788,7 +788,7 @@ async def timeout(self, until: Optional[datetime.datetime], *, reason: Optional[
 
         Applies a timeout to a member in the guild until a set datetime.
 
-        You must have the :attr:`~Permissions.moderate_members` permission to  timeout a member.
+        You must have the :attr:`~Permissions.moderate_members` permission to timeout a member.
 
         Parameters
         -----------