diff --git a/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml b/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
index cfab29891b..8e69fe94a9 100644
--- a/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
+++ b/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
@@ -5620,11 +5620,6 @@
         <email>csl@whale.sunbay.crimea.ua</email></para>
     </listitem>
     
-    <listitem>
-      <para>Sergei Kolobov
-        <email>sergei@kolobov.com</email></para>
-    </listitem>
-    
     <listitem>
       <para>Sergei S. Laskavy
         <email>laskavy@pc759.cs.msu.su</email></para>
diff --git a/en_US.ISO8859-1/articles/contributors/contrib.committers.sgml b/en_US.ISO8859-1/articles/contributors/contrib.committers.sgml
index c6b55389d1..21561615d9 100644
--- a/en_US.ISO8859-1/articles/contributors/contrib.committers.sgml
+++ b/en_US.ISO8859-1/articles/contributors/contrib.committers.sgml
@@ -554,6 +554,10 @@
       <para>&a.lkoeller;</para>
     </listitem>
     
+    <listitem>
+      <para>&a.sergei;</para>
+    </listitem>
+    
     <listitem>
       <para>&a.motoyuki;</para>
     </listitem>
diff --git a/en_US.ISO8859-1/share/sgml/authors.ent b/en_US.ISO8859-1/share/sgml/authors.ent
index 64e1363b8f..8501ab619c 100644
--- a/en_US.ISO8859-1/share/sgml/authors.ent
+++ b/en_US.ISO8859-1/share/sgml/authors.ent
@@ -664,6 +664,8 @@
 
 <!ENTITY a.semenu "Semen Ustimenko <email>semenu@FreeBSD.org</email>">
 
+<!ENTITY a.sergei "Sergei Kolobov <email>sergei@FreeBSD.org</email>">
+
 <!ENTITY a.sf "Satsuki FUJISHIMA <email>sf@FreeBSD.org</email>">
 
 <!ENTITY a.shafeeq "Shafeeq Sinnamohideen <email>shafeeq@FreeBSD.org</email>">