diff --git a/en_US.ISO8859-1/share/sgml/authors.ent b/en_US.ISO8859-1/share/sgml/authors.ent
index f4b52ecc9c..76395bfed5 100644
--- a/en_US.ISO8859-1/share/sgml/authors.ent
+++ b/en_US.ISO8859-1/share/sgml/authors.ent
@@ -928,6 +928,8 @@
 
 <!ENTITY a.pjd "Pawel Jakub Dawidek <email>pjd@FreeBSD.org</email>">
 
+<!ENTITY a.pluknet "Sergey Kandaurov <email>pluknet@FreeBSD.org</email>">
+
 <!ENTITY a.proven "Chris Provenzano <email>proven@FreeBSD.org</email>">
 
 <!ENTITY a.ps "Paul Saab <email>ps@FreeBSD.org</email>">