--- a/CHANGELOG	Thu Oct 26 08:29:36 2017 +0200
+++ b/CHANGELOG	Thu Oct 26 08:44:50 2017 +0200
@@ -6,6 +6,7 @@
 
   * drop compatibility with Mercurial 3.8, 3.9 and 4.0,
   * drop support for old and deprecated method to exchange obsmarkers,
+  * forbid usage of the old pushbey based protocol to exchange obsmarkers,
 
 6.8.0 -- 2017-10-23
 -------------------