diff --git a/en_US.ISO8859-1/share/sgml/authors.ent b/en_US.ISO8859-1/share/sgml/authors.ent
index a61ed60e8c..88f020520a 100644
--- a/en_US.ISO8859-1/share/sgml/authors.ent
+++ b/en_US.ISO8859-1/share/sgml/authors.ent
@@ -482,6 +482,8 @@
 
 <!ENTITY a.marcel "Marcel Moolenaar <email>marcel@FreeBSD.org</email>">
 
+<!ENTITY a.marck "Dmitry Morozovsky <email>marck@FreeBSD.org</email>">
+
 <!ENTITY a.marcus "Joe Marcus Clarke <email>marcus@FreeBSD.org</email>">
 
 <!ENTITY a.marius "Marius Strobl <email>marius@FreeBSD.org</email>">