diff --git a/en_US.ISO8859-1/share/sgml/authors.ent b/en_US.ISO8859-1/share/sgml/authors.ent
index 9c78f0eb9d..2fa8521c32 100644
--- a/en_US.ISO8859-1/share/sgml/authors.ent
+++ b/en_US.ISO8859-1/share/sgml/authors.ent
@@ -530,6 +530,8 @@
 
 <!ENTITY a.knu "Akinori MUSHA <email>knu@FreeBSD.org</email>">
 
+<!ENTITY a.koitsu "Jeremy Chadwick <email>koitsu@FreeBSD.org</email>">
+
 <!ENTITY a.krion "Kirill Ponomarew <email>krion@FreeBSD.org</email>">
 
 <!ENTITY a.kris "Kris Kennaway <email>kris@FreeBSD.org</email>">