changed "The limit size of attachment." to "The attachment size limit."

Signed-off-by: hich4t <[email protected]>

Author: hich4t

discord/interactions.py

@@ -166,7 +166,7 @@ class Interaction:
 
         .. versionadded:: 2.7
     attachment_size_limit: Optional[:class:`int`]
-        The limit size of attachment.
+        The attachment size limit.
 
         .. versionadded:: 2.7
     """