Link to generated changelog, not website.

Doc/whatsnew/3.3.rst

diff --git a/Doc/whatsnew/3.3.rst b/Doc/whatsnew/3.3.rst
index cda63e4..2e304d3 100644
--- a/Doc/whatsnew/3.3.rst
+++ b/Doc/whatsnew/3.3.rst
@@ -44,7 +44,7 @@
 
 This article explains the new features in Python 3.3, compared to 3.2.
 Python 3.3 was released on September 29, 2012.  For full details,
-see the `changelog <http://docs.python.org/3.3/whatsnew/changelog.html>`_.
+see the :ref:`changelog <changelog>`.
 
 .. seealso::
 

Doc/whatsnew/changelog.rst

diff --git a/Doc/whatsnew/changelog.rst b/Doc/whatsnew/changelog.rst
index db72e07..4b325c6 100644
--- a/Doc/whatsnew/changelog.rst
+++ b/Doc/whatsnew/changelog.rst
@@ -1,3 +1,5 @@
+.. _changelog:
+
 +++++++++
 Changelog
 +++++++++