Quite a bit of redundant text here, this makes it cleaner I think.
Index: ifconfig.8
===================================================================
RCS file: /home/tedu/cvs/src/sbin/ifconfig/ifconfig.8,v
retrieving revision 1.192
diff -u -r1.192 ifconfig.8
--- ifconfig.8 23 Nov 2009 19:58:10 -0000 1.192
+++ ifconfig.8 10 Apr 2010 18:52:20 -0000
@@ -1370,29 +1370,22 @@
.Op Oo Fl Oc Ns Cm trunkport Ar child-iface
.Op Cm trunkproto Ar proto
.Pp
-The options are as follows:
-.Bl -tag -width Ds
-.It Cm trunkport Ar child-iface
If the driver is a
.Xr trunk 4
-pseudo-device, add the
+pseudo-device, the following options are available:
+.Bl -tag -width Ds
+.It Cm trunkport Ar child-iface
+Add
.Ar child-iface
as a trunk port.
.It Fl trunkport Ar child-iface
-If the driver is a
-.Xr trunk 4
-pseudo-device, remove the trunk port
+Remove the trunk port
.Ar child-iface .
.It Cm trunkproto Ar proto
-If the driver is a
+Set the trunk protocol.
+Refer to
.Xr trunk 4
-pseudo-device, set the trunk protocol.
-Refer to the interface's driver-specific man page for a complete
-list of the available protocols,
-or use the following for a listing of choices:
-.Pp
-.Dl $ ifconfig interface media
-.El
+for a complete list of the available protocols,
.\" TUNNEL
.Sh TUNNEL
.Nm ifconfig
