diff --git a/sbin/natd/natd.8 b/sbin/natd/natd.8
index 9d9aff22b5c3..45abd3b0030e 100644
--- a/sbin/natd/natd.8
+++ b/sbin/natd/natd.8
@@ -46,7 +46,7 @@ This program provides a Network Address Translation facility for use
 with
 .Xr divert 4
 sockets under FreeBSD.  It is intended for use with NICs - if you want
-to do NAT on a PPP link, use the -alias switch to
+to do NAT on a PPP link, use the -nat switch to
 .Xr ppp 8 .
 
 .Pp