Use internal links where possible
diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst
index 1683b29..99ba882 100644
--- a/Doc/library/functions.rst
+++ b/Doc/library/functions.rst
@@ -1326,8 +1326,7 @@
compare equal --- this is helpful for sorting in multiple passes (for
example, sort by department, then by salary grade).
- For sorting examples and a brief sorting tutorial, see `Sorting HowTo
- <https://wiki.python.org/moin/HowTo/Sorting/>`_\.
+ For sorting examples and a brief sorting tutorial, see :ref:`sortinghowto`.
.. versionadded:: 2.4