diff --git a/appendices/ini.xml b/appendices/ini.xml
index b7696803ba..ec1a7a2a82 100644
--- a/appendices/ini.xml
+++ b/appendices/ini.xml
@@ -4344,6 +4344,10 @@ auto_prepend_file=security.php
         linkend="ini.variables-order">variables_order</link> is used for
         <varname>$_REQUEST</varname> contents.
        </para>
+       <para>
+        Note that the default distrobution <file>php.ini</file> does not contain 
+        the <literal>'C'</literal> for cookies, due to security concerns.
+       </para>
       </listitem>
      </varlistentry>