diff --git a/share/sgml/man-refs.ent b/share/sgml/man-refs.ent
index be49f3b5b7..80c5308429 100644
--- a/share/sgml/man-refs.ent
+++ b/share/sgml/man-refs.ent
@@ -14,7 +14,7 @@
      lexicographical order by the entity (i.e., the dots used in place of
      special characters should not be expanded when comparing).
 
-     $FreeBSD: doc/share/sgml/man-refs.ent,v 1.90 2001/07/29 13:34:52 dd Exp $
+     $FreeBSD: doc/share/sgml/man-refs.ent,v 1.91 2001/08/01 15:00:37 dd Exp $
 -->
 
 <!ENTITY man...1 "<citerefentry/<refentrytitle/[/<manvolnum/1//">
@@ -3020,6 +3020,7 @@
 <!ENTITY man.ng.vjc.4 "<citerefentry/<refentrytitle/ng_vjc/<manvolnum/4//">
 <!ENTITY man.nge.4 "<citerefentry/<refentrytitle/nge/<manvolnum/4//">
 <!ENTITY man.nis.4 "<citerefentry/<refentrytitle/nis/<manvolnum/4//">
+<!ENTITY man.nmdm.4 "<citerefentry/<refentrytitle/nmdm/<manvolnum/4//">
 <!ENTITY man.npx.4 "<citerefentry/<refentrytitle/npx/<manvolnum/4//">
 <!ENTITY man.null.4 "<citerefentry/<refentrytitle/null/<manvolnum/4//">
 <!ENTITY man.ohci.4 "<citerefentry/<refentrytitle/ohci/<manvolnum/4//">