diff --git a/en_US.ISO8859-1/share/sgml/authors.ent b/en_US.ISO8859-1/share/sgml/authors.ent
index ca174fdd5e..ed84d0e64d 100644
--- a/en_US.ISO8859-1/share/sgml/authors.ent
+++ b/en_US.ISO8859-1/share/sgml/authors.ent
@@ -270,6 +270,8 @@
 
 <!ENTITY a.dhartmei "Daniel Hartmeier <email>dhartmei@FreeBSD.org</email>">
 
+<!ENTITY a.dhn "Dennis Herrmann <email>dhn@FreeBSD.org</email>">
+
 <!ENTITY a.dhw "David Wolfskill <email>dhw@FreeBSD.org</email>">
 
 <!ENTITY a.dick "Richard Seaman Jr. <email>dick@FreeBSD.org</email>">