pep 688 docs

Doc/library/collections.abc.rst

@@ -274,8 +274,9 @@ Collections Abstract Base Classes -- Detailed Descriptions
 
    .. deprecated:: 3.12
       The :class:`ByteString` ABC has been deprecated.
-      For use in typing, prefer a union, like ``bytes | bytearray``.
-      For use as an ABC, prefer :class:`Sequence`.
+      For use in typing, prefer a union, like ``bytes | bytearray``, or
+      :class:`collections.abc.Buffer`.
+      For use as an ABC, prefer :class:`Sequence` or :class:`collections.abc.Buffer`.
 
 .. class:: Set
            MutableSet

Doc/library/typing.rst

@@ -2076,7 +2076,7 @@ Corresponding to collections in :mod:`collections.abc`
    annotate arguments of any of the types mentioned above.
 
    .. deprecated:: 3.9
-      Prefer a union, like ``bytes | bytearray | memoryview``.
+      Prefer :class:`collections.abc.Buffer`, or a union like ``bytes | bytearray | memoryview``.
 
 .. class:: Collection(Sized, Iterable[T_co], Container[T_co])