diff --git a/chapters/config.xml b/chapters/config.xml
index a39c9dd16e..482a43e3ee 100644
--- a/chapters/config.xml
+++ b/chapters/config.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.111 $ -->
+<!-- $Revision: 1.112 $ -->
  <chapter id="configuration">
   <title>Runtime Configuration</title>
 
@@ -197,6 +197,25 @@ include_path = ".;c:\php\lib"
     </caution>
    </sect2>
 
+   <sect2 id="configuration.changes.windows">
+    <title>Changing <literal>PHP</literal> configuration via the Windows registry</title>
+     <simpara>
+      When running PHP on Windows, the configuration values can be
+      modified on per-directory basis using the Windows registry. The
+      configuration values are stored in the registry key 
+      <literal>HKLM\SOFTWARE\PHP\Per Directory Values</literal>, 
+      in the sub-keys corresponding to the path names. For example, configuration 
+      values for the directory <literal>c:\inetpub\wwwroot</literal> would
+      be stored in the key <literal>HKLM\SOFTWARE\PHP\Per Directory
+      Values\c\inetpub\wwwroot</literal>. The settings for the
+      directory would be active for any script running from this
+      directory or any subdirectory of it. The values under the key
+      should have the name of <link linkend="configuration">PHP
+      configuration directive</link> and the string value. PHP
+      constants in the values would not be parsed. 
+     </simpara>
+   </sect2>
+   
    <sect2 id="configuration.changes.other">
     <title>Other interfaces to <literal>PHP</literal></title>
     <para>