diff -r 9341e6d81b3b sbin/ifconfig/ifconfig.8
--- a/sbin/ifconfig/ifconfig.8	Sat Mar 29 17:03:21 2008 +0100
+++ b/sbin/ifconfig/ifconfig.8	Sat Mar 29 19:02:02 2008 +0100
@@ -387,6 +387,21 @@ If the driver supports
 If the driver supports
 .Xr tcp 4
 large receive offloading, disable LRO on the interface.
+.It Cm wol , wol_ucast , wol_mcast , wol_magic
+Enable Wake On Lan (WOL) support, if available.
+WOL is a facility whereby a machine in a low power state may be woken
+in response to a received packet.
+There are three types of packets that may wake a system:
+ucast (directed solely to the machine's mac address),
+mcast (directed to a broadcast or multicast address),
+or
+magic (unicast or multicast frames with a ``magic contents'').
+Not all devices support WOL, those that do indicate the mechanisms
+they support in their capabilities.
+.Cm wol
+is a synonym for enabling all available WOL mechanisms.
+To disable WOL use
+.Fl wol .
 .It Cm vlanmtu , vlanhwtag
 If the driver offers user-configurable VLAN support, enable
 reception of extended frames or tag processing in hardware,
