--- rc.conf.5	2007-09-06 22:00:48.000000000 +0100
+++ rc.conf.5	2007-11-18 22:49:54.000000000 +0000
@@ -1158,11 +1158,20 @@ 
 .Va pccard_ifconfig
 variable.
 .Pp
-It is also possible to rename interface by doing:
+It is also possible to rename an interface by doing:
 .Bd -literal
 ifconfig_ed0_name="net0"
 ifconfig_net0="inet 10.0.0.1 netmask 0xffff0000"
 .Ed
+.Pp
+or by interface MAC address with:
+.Bd -literal
+ifconfig_mac_names="net0 net1"
+ifconfig_mac_net0="02:0d:61:37:e3:2d"
+ifconfig_mac_net1="02:0d:61:37:e3:2e"
+ifconfig_net0="inet 10.0.0.1 netmask 0xffff0000"
+ifconfig_net1="DHCP"
+.Ed
 .It Va ipv6_network_interfaces
 .Pq Vt str
 This is the IPv6 equivalent of