improve compact dict changelog
diff --git a/Doc/whatsnew/3.6.rst b/Doc/whatsnew/3.6.rst
index a0de2b9..66f6b85 100644
--- a/Doc/whatsnew/3.6.rst
+++ b/Doc/whatsnew/3.6.rst
@@ -343,10 +343,10 @@
Some smaller changes made to the core Python language are:
-* `dict` implementation is changed like PyPy. It is more compact and preserves
- insertion order. :pep:`PEP 468` (Preserving the order of `**kwargs` in a
- function.) is implemented by this.
- (Contributed by INADA Naoki in :issue:`27350`.)
+* :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
+ implemented by this. (Contributed by INADA Naoki in :issue:`27350`.)
* Long sequences of repeated traceback lines are now abbreviated as
``"[Previous line repeated {count} more times]"`` (see