Update guild.py

Co-authored-by: Dorukyum <53639936+Dorukyum@users.noreply.github.com>
Signed-off-by: UK <41271523+NeloBlivion@users.noreply.github.com>

discord/guild.py

@@ -3392,7 +3392,7 @@ async def query_members(
 
             .. versionadded:: 1.6
 
-        cache: Optional[:class:`bool`]
+        cache: :class:`bool`
             Whether to cache the members internally. This makes operations
             such as :meth:`get_member` work for those that matched. Defaults to ``True``.