https://bugs.gentoo.org/728810
--- ./doc/internals/release-process.rst
+++ ./doc/internals/release-process.rst
@@ -97,8 +97,8 @@
 * ``set PYTHONWARNINGS=`` and do ``make html`` (Windows)
 
 But you can also explicitly enable the pending ones using e.g.
-``PYTHONWARNINGS=default`` (see the :ref:`Python docs on configuring warnings
-<python:describing-warning-filters>`) for more details.
+``PYTHONWARNINGS=default`` (see the `Python docs on configuring warnings
+<https://docs.python.org/3/library/warnings.html#describing-warning-filters>`_) for more details.
 
 Release procedures
 ------------------
