diff --git a/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml b/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
index b9b0886e07..bf3d36bde4 100644
--- a/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
+++ b/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
@@ -3427,6 +3427,11 @@
 	<email>herbert.skuhra@gmx.at</email></para>
     </listitem>
 
+    <listitem>
+      <para>Hernan Di Pietro
+	<email>hernan.di.pietro@gmail.com</email></para>
+    </listitem>
+
     <listitem>
       <para>Hideaki Machida
 	<email>hido@coreblack.com</email></para>