diff --git a/scp.1.in b/scp.1.in
index 641c8f4..a0e699b 100644
--- a/scp.1.in
+++ b/scp.1.in
@@ -9,7 +9,7 @@
 .\"
 .\" Created: Sun May  7 00:14:37 1995 ylo
 .\"
-.\" $Id: scp.1.in,v 1.1 1999/12/26 22:23:58 damien Exp $
+.\" $Id: scp.1.in,v 1.2 2000/01/14 04:45:51 damien Exp $
 .\"
 .Dd September 25, 1999
 .Dt SCP 1
@@ -19,7 +19,7 @@
 .Nd secure copy (remote file copy program)
 .Sh SYNOPSIS
 .Nm scp
-.Op Fl pqrvC
+.Op Fl pqrvC46
 .Op Fl P Ar port
 .Op Fl c Ar cipher
 .Op Fl i Ar identity_file
@@ -93,6 +93,14 @@
 .Fl p
 is already reserved for preserving the times and modes of the file in
 .Xr rcp 1 .
+.It Fl 4
+Forces
+.Nm
+to use IPv4 addresses only.
+.It Fl 6
+Forces
+.Nm
+to use IPv6 addresses only.
 .Sh AUTHORS
 Timo Rinne <tri@iki.fi> and Tatu Ylonen <ylo@cs.hut.fi>
 .Sh HISTORY