diff --git a/share/man/man4/miibus.4 b/share/man/man4/miibus.4
index 0302ca7fc326..dc55c758533a 100644
--- a/share/man/man4/miibus.4
+++ b/share/man/man4/miibus.4
@@ -130,6 +130,7 @@ but as a result are not well behaved newbus device drivers.
 .Xr gem 4 ,
 .Xr hme 4 ,
 .Xr lge 4 ,
+.Xr msk 4 ,
 .Xr my 4 ,
 .Xr netintro 4 ,
 .Xr nge 4 ,