diff --git a/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml b/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
index f03d961ab9..c0b1e77107 100644
--- a/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
+++ b/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
@@ -8017,6 +8017,11 @@
 	<email>rfg@monkeys.com</email></para>
     </listitem>
 
+    <listitem>
+      <para>Ronald Klop
+	<email>ronald@echteman.nl</email></para>
+    </listitem>
+
     <listitem>
       <para>Ronald Kuehn
 	<email>kuehn@rz.tu-clausthal.de</email></para>