MFC r278840:

Xref the following in wlan(4):

- rsu(4)
- urtwn(4)

share/man/man4/wlan.4

@@ -25,7 +25,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd February 22, 2012
+.Dd February 16, 2015
 .Dt WLAN 4
 .Os
 .Sh NAME
@@ -182,12 +182,14 @@ may not interoperate.
 .Xr mwl 4 ,
 .Xr netintro 4 ,
 .Xr ral 4 ,
+.Xr rsu 4 ,
 .Xr rum 4 ,
 .Xr run 4 ,
 .Xr uath 4 ,
 .Xr upgt 4 ,
 .Xr ural 4 ,
 .Xr urtw 4 ,
+.Xr urtwn 4 ,
 .Xr wi 4 ,
 .Xr wlan_acl 4 ,
 .Xr wlan_ccmp 4 ,