diff --git a/en_US.ISO8859-1/articles/contributors/contrib.additional.xml b/en_US.ISO8859-1/articles/contributors/contrib.additional.xml
index 08ad4a3167..12b47c65bf 100644
--- a/en_US.ISO8859-1/articles/contributors/contrib.additional.xml
+++ b/en_US.ISO8859-1/articles/contributors/contrib.additional.xml
@@ -1870,6 +1870,11 @@
       <email>cgd@postgres.berkeley.edu</email></para>
   </listitem>
 
+  <listitem>
+    <para>Christopher Hall
+      <email>hsw@bitmark.com</email></para>
+  </listitem>
+
   <listitem>
     <para>Christopher Illies
       <email>christopher.illies@ki.se</email></para>