diff --git a/UPDATING b/UPDATING
index 6ac4b3588125..ace7e6fd53b3 100644
--- a/UPDATING
+++ b/UPDATING
@@ -27,6 +27,11 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 13.x IS SLOW:
 	"ln -s 'abort:false,junk:false' /etc/malloc.conf".)
 
 20200824:
+	OpenZFS support has been integrated. We caution against 'zpool upgrade'
+	for the next few weeks. The change should be transparent unless you 
+	want to use new features.
+
+
 	The resume code now notifies devd with the 'kernel' system
 	rather than the old 'kern' subsystem to be consistent with
 	other use. The old notification will be created as well, but