diff --git a/UPDATING b/UPDATING
index 1c7646c2742a..ebf000bab9e0 100644
--- a/UPDATING
+++ b/UPDATING
@@ -31,6 +31,10 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 10.x IS SLOW:
 	disable the most expensive debugging functionality run
 	"ln -s 'abort:false,junk:false' /etc/malloc.conf".)
 
+20131006:
+	RCS has been removed from the base system.  If you need RCS
+	install either devel/rcs or devel/rcs57.
+
 20130930:
 	BIND has been removed from the base system.  If all you need
 	is a local resolver, simply enable and start the local_unbound