[doc] Added mailing list link for comp.lang.python (GH-27852) (GH-27916)

(cherry picked from commit 7b550df)

Co-authored-by: Mike Smith <[email protected]>

Author: miss-islington

README.rst

@@ -233,12 +233,13 @@ Proposals for enhancement
 -------------------------
 
 If you have a proposal to change Python, you may want to send an email to the
-comp.lang.python or `python-ideas`_ mailing lists for initial feedback.  A
+`comp.lang.python`_ or `python-ideas`_ mailing lists for initial feedback.  A
 Python Enhancement Proposal (PEP) may be submitted if your idea gains ground.
 All current PEPs, as well as guidelines for submitting a new PEP, are listed at
 `python.org/dev/peps/ <https://www.python.org/dev/peps/>`_.
 
 .. _python-ideas: https://mail.python.org/mailman/listinfo/python-ideas/
+.. _comp.lang.python: https://mail.python.org/mailman/listinfo/python-list
 
 
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