Update documentation

Author: lordmauve

Doc/library/stdtypes.rst

@@ -2738,6 +2738,11 @@ data and are closely related to string objects in a variety of other ways.
          :meth:`bytes.fromhex` now skips all ASCII whitespace in the string,
          not just spaces.
 
+      .. versionchanged:: 3.14
+         :meth:`bytes.fromhex` now accepts an ASCII :class:`bytes` object as
+         input.
+
+
    A reverse conversion function exists to transform a bytes object into its
    hexadecimal representation.
 
@@ -2823,6 +2828,10 @@ objects.
          :meth:`bytearray.fromhex` now skips all ASCII whitespace in the string,
          not just spaces.
 
+      .. versionchanged:: 3.14
+         :meth:`bytearray.fromhex` now accepts an ASCII :class:`bytes` object as
+         input.
+
    A reverse conversion function exists to transform a bytearray object into its
    hexadecimal representation.