Add a reference to the PEP 398 for python 3.3 release schedule
diff --git a/README b/README
index 5f9531d..3c324b4 100644
--- a/README
+++ b/README
@@ -161,7 +161,7 @@
 Release Schedule
 ----------------
 
-See PEP XXX for release details: http://www.python.org/dev/peps/pep-0XXX/
+See PEP 398 for release details: http://www.python.org/dev/peps/pep-0398/
 
 
 Copyright and License Information