diff --git a/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml b/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
index e50b48db5c..7ad4b118c6 100644
--- a/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
+++ b/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
@@ -4227,6 +4227,11 @@
 	<email>mrcpu@cdsnet.net</email></para>
     </listitem>
 
+   <listitem>
+      <para>Jaap Akkerhuis
+        <email>jaap@NLnetLabs.nl</email></para>
+    </listitem>
+
     <listitem>
       <para>Jean-Baptiste Quenot
 	<email>jb.quenot@caraldi.com</email></para>