diff --git a/UPDATING b/UPDATING
index f3498f60c6bb..248bea158105 100644
--- a/UPDATING
+++ b/UPDATING
@@ -22,6 +22,12 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 8.x IS SLOW:
 	to maximize performance.  (To disable malloc debugging, run
 	ln -s aj /etc/malloc.conf.)
 
+20081117:
+	A new version of ZFS (version 13) has been merged to -HEAD.
+	This version would have zpool attribute "listsnapshots" off
+	by default, which means "zfs list" would not show snapshots,
+	and is the same as Solaris behavior.
+
 20081028:
 	dummynet(4) ABI has changed. ipfw(8) needs to be recompiled.