diff --git a/doc/contributing.texi b/doc/contributing.texi
index 2792fe2b2..1c33430aa 100644
--- a/doc/contributing.texi
+++ b/doc/contributing.texi
@@ -410,7 +410,8 @@ to be merged in @code{master} every 3 weeks or so.  Topical changes
 @item more than 1,200 dependent packages
 @code{core-updates} branch (may include major and potentially disruptive
 changes).  This branch is intended to be merged in @code{master} every
-2.5 months or so.
+2.5 months or so.  Also during official frozen period commits should go
+to @code{core-updates-next}.
 @end table
 
 All these branches are tracked by our build farm