diff --git a/en_US.ISO8859-1/share/sgml/authors.ent b/en_US.ISO8859-1/share/sgml/authors.ent
index 529859f56e..f3a35f4404 100644
--- a/en_US.ISO8859-1/share/sgml/authors.ent
+++ b/en_US.ISO8859-1/share/sgml/authors.ent
@@ -106,6 +106,8 @@
 
 <!ENTITY a.chern "Chern Lee <email>chern@FreeBSD.org</email>">
 
+<!ENTITY a.brueffer "Christian Br&uuml;ffer <email>brueffer@FreeBSD.org</email>">
+
 <!ENTITY a.chm "Christoph Herrmann <email>chm@FreeBSD.org</email>">
 
 <!ENTITY a.chris "Chris Costello <email>chris@FreeBSD.org</email>">