Add checklist for copyright year change.

pep-0101.txt

@@ -121,6 +121,20 @@ How to Make A Release
     ___ There's a copy of the license in
         Doc/texinputs/license.tex; Fred usually takes care of that.
 
+  ___ Check the years on the copyright notice.  If the last release
+      was some time last year, add the current year to the copyright
+      notice in several places:
+
+    ___ README
+
+    ___ LICENSE
+
+    ___ Python/getcopyright.c
+
+    ___ Doc/texinputs/copyright.tex
+
+    ___ In the license.ht file for the distribution on the website.
+
   ___ For the next few hours, selectively merge stuff from trunk into
       branch.  For each change you see on the trunk (i.e. via the
       python-checkins mailing list), you need to decide whether the