diff --git a/appendices/ini.xml b/appendices/ini.xml
index 4f198e2547..d4a8e686be 100644
--- a/appendices/ini.xml
+++ b/appendices/ini.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.86 $ -->
+<!-- $Revision: 1.87 $ -->
 
 <appendix xml:id="ini" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
  <title>&php.ini; directives</title>
@@ -4226,7 +4226,8 @@ auto_prepend_file=security.php
         from left to right, newer values override older values.
        </para>
        <para>
-        If this directive is not set, variables_order is used for
+        If this directive is not set, <link
+        linkend="ini.variables-order">variables_order</link> is used for
         <varname>$_REQUEST</varname> contents.
        </para>
       </listitem>