diff --git a/functions/session.xml b/functions/session.xml
index c17eab7aee..21195c267b 100644
--- a/functions/session.xml
+++ b/functions/session.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.84 $ -->
+<!-- $Revision: 1.85 $ -->
  <reference id="ref.session">
   <title>Session handling functions</title>
   <titleabbrev>Sessions</titleabbrev>
@@ -941,6 +941,12 @@ $_SESSION["spongebob"] = "He's got square pants.";
      Set cookie parameters defined in the php.ini file.  The effect of this
      function only lasts for the duration of the script.
     </para>
+    <note>
+     <para>
+       The <parameter>secure</parameter> parameter was added in PHP
+       4.0.4.
+     </para>
+    </note>
    </refsect1>
   </refentry>