diff --git a/sbin/growfs/growfs.8 b/sbin/growfs/growfs.8
index cff105f648d9..9d62a83b974b 100644
--- a/sbin/growfs/growfs.8
+++ b/sbin/growfs/growfs.8
@@ -116,7 +116,7 @@ The
 utility first appeared in
 .Fx 4.4 .
 The ability to resize mounted filesystems was added in
-.Fx 9.2 .
+.Fx 10.0 .
 .Sh AUTHORS
 .An Christoph Herrmann Aq chm@FreeBSD.org
 .An Thomas-Henning von Kamptz Aq tomsoft@FreeBSD.org