Apply suggestion from @AA-Turner

Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>

Author: ewdurbin

peps/pep-8107.rst

@@ -78,7 +78,7 @@ The election will be conducted using the `BetterVoting
    This election will be the first where voting is conducted, and
    results are calculated using
    `Multi-winner Bloc STAR <https://www.starvoting.org/multi_winner>`__
-   as `approved by the core developers <https://discuss.python.org/t/changing-pep-13-to-adopt-bloc-star-voting/64971>`__
+   as `approved by the core developers <https://discuss.python.org/t/64971>`__
    and `codified <https://github.com/python/peps/pull/3958/files>`__
    into :pep:`13`.