--- a/README	Tue Jun 03 15:36:58 2014 -0700
+++ b/README	Tue Jun 03 15:38:16 2014 -0700
@@ -47,7 +47,7 @@
 Changelog
 =========
 
-4.0.0 --
+4.0.0 -- 2014-06-03
 
 - require Mercurial version 3.0.1 or above
 - some compatibility fixes with future 3.1.0