diff --git a/features/http-auth.xml b/features/http-auth.xml
index 54bb6cc964..0bb192ddc7 100644
--- a/features/http-auth.xml
+++ b/features/http-auth.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.32 $ -->
+<!-- $Revision: 1.33 $ -->
  <chapter id="features.http-auth">
   <title>HTTP authentication with PHP</title>
 
@@ -156,7 +156,11 @@
   </simpara>
   <simpara>
    Also note that this does not work using Microsoft's IIS server and
-   the CGI version of PHP due to a limitation of IIS.
+   the CGI version of PHP due to a limitation of IIS.  If you're using
+   the IIS module (ISAPI), you may use the <literal>HTTP_AUTHORIZATION 
+   </literal> variable for example: <literal>list($user, $pw) = 
+   explode(':', base64_decode(substr($_SERVER['HTTP_AUTHORIZATION'], 6)));
+   </literal>
   </simpara>
 
   <note>