diff --git a/language/predefined/variables/env.xml b/language/predefined/variables/env.xml
index 7a6b133ca8..a5fbb4a1bf 100644
--- a/language/predefined/variables/env.xml
+++ b/language/predefined/variables/env.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- $Revision: 1.3 $ -->
+<!-- $Revision: 1.4 $ -->
 
 <refentry xml:id="reserved.variables.environment" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
  <refnamediv>
@@ -73,7 +73,7 @@
     <programlisting role="php">
 <![CDATA[
 <?php
-echo 'My username is ' .$_ENV["user"] . '!';
+echo 'My username is ' .$_ENV["USER"] . '!';
 ?>
 ]]>
     </programlisting>