mention where more can be learned about ifgroups

prodded by jmc, idea from Michael Knudsen

1 files changed, 3 insertions, 1 deletions

diff --git a/sbin/ifconfig/ifconfig.8 b/sbin/ifconfig/ifconfig.8
index 551f03a9f1f..45b219a3545 100644
--- a/sbin/ifconfig/ifconfig.8
+++ b/sbin/ifconfig/ifconfig.8
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: ifconfig.8,v 1.88 2004/08/03 05:36:32 mcbride Exp $
+.\"	$OpenBSD: ifconfig.8,v 1.89 2004/08/22 23:39:00 jaredy Exp $
 .\"	$NetBSD: ifconfig.8,v 1.11 1996/01/04 21:27:29 pk Exp $
 .\"     $FreeBSD: ifconfig.8,v 1.16 1998/02/01 07:03:29 steve Exp $
 .\"
@@ -333,6 +333,8 @@ This action automatically disables routes using the interface.
 Assign the interface to a
 .Dq group .
 Any interface can be in multiple groups.
+Interface groups are described in
+.Xr netintro 4 .
 .It Cm -group Ar group-name
 Remove the interface from the given
 .Dq group .