fix pep role
diff --git a/Doc/whatsnew/3.6.rst b/Doc/whatsnew/3.6.rst
index ce1c44e..57ac728 100644
--- a/Doc/whatsnew/3.6.rst
+++ b/Doc/whatsnew/3.6.rst
@@ -374,7 +374,7 @@
* :func:`dict` now uses a "compact" representation `pioneered by PyPy
<https://morepypy.blogspot.com/2015/01/faster-more-memory-efficient-and-more.html>`_.
- :pep:`PEP 468` (Preserving the order of ``**kwargs`` in a function.) is
+ :pep:`468` (Preserving the order of ``**kwargs`` in a function.) is
implemented by this. (Contributed by INADA Naoki in :issue:`27350`.)
* Long sequences of repeated traceback lines are now abbreviated as