--- a/README	Fri Aug 08 17:10:31 2014 -0700
+++ b/README	Fri Aug 08 17:16:29 2014 -0700
@@ -66,6 +66,8 @@
   unlikely to eventually make it into core.
 - push obsmarkers and phases in the same transaction than changesets
   (when using hg >= 3.1 and bundle2-exp is enabled)
+- hide message about the obsolescence marker exchange behind a
+  `experimental.verbose-obsolescence-exchange` variable (default to False).
 
 4.0.1 -- 2014-08-08