Improve mount_mfs examples. Inspired by [misc/16193] from

Brian A. Seklecki <lavalamp@hurt.spiritual-machines.org>

sbin/mount/mount.8

@@ -1,4 +1,4 @@
-.\"	$NetBSD: mount.8,v 1.33 2001/11/16 11:57:51 wiz Exp $
+.\"	$NetBSD: mount.8,v 1.34 2002/05/21 11:17:57 lukem Exp $
 .\"
 .\" Copyright (c) 1980, 1989, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -33,7 +33,7 @@
 .\"
 .\"     @(#)mount.8	8.8 (Berkeley) 6/16/94
 .\"
-.Dd June 16, 1994
+.Dd May 21, 2002
 .Dt MOUNT 8
 .Os
 .Sh NAME
@@ -234,14 +234,14 @@ distinguished by a leading
 Options that take a value are specified using the syntax -option=value.
 For example, the mount command:
 .Bd -literal -offset indent
-mount -t mfs -o nosuid,-N,-s=4000 /dev/dk0b /tmp
+mount -t mfs -o nosuid,-N,-s=32m swap /tmp
 .Ed
 .Pp
 causes
 .Nm
 to execute the equivalent of:
 .Bd -literal -offset indent
-/sbin/mount_mfs -o nosuid -N -s 4000 /dev/dk0b /tmp
+/sbin/mount_mfs -o nosuid -N -s 32m swap /tmp
 .Ed
 .It Fl r
 The file system is to be mounted read-only.
@@ -350,6 +350,9 @@ mount -t msdos /dev/fd0a /floppy
 .It Tn NFS
 .br
 mount nfs-server-host:/directory/path /mount-point
+.It Tn MFS (32 megabyte)
+.br
+mount -t mfs -o nosuid,-s=32m swap /tmp
 .El
 .Pp
 The "noauto" directive in