Add todo

diff --git a/Doc/whatsnew/3.2.rst b/Doc/whatsnew/3.2.rst
index 3aa3354f8b26917eb15dc00d594701970f502b5d..5ef13edafc2ea15038b59dc054ab05c3301e90ab 100644 (file)
--- a/Doc/whatsnew/3.2.rst
+++ b/Doc/whatsnew/3.2.rst
@@ -677,6 +677,8 @@ functools
 
   (Contributed by Raymond Hettinger.)
 
+.. XXX clarify what the example does
+
 * To aid in porting programs from Python 2, the :func:`~functools.cmp_to_key`
   function converts an old-style comparison function to
   modern :term:`key function`: