gh-150553: Address review feedback

Author: zainnadeem786

Doc/reference/datamodel.rst

@@ -2655,8 +2655,8 @@ Attribute lookup speed can be significantly improved as well.
    associated with the instance. Use :func:`weakref.getweakrefs` to retrieve
    all weak references and proxy objects that refer to an object.
 
+   
    .. impl-detail::
-
       This attribute may not exist in all Python implementations.