diff --git a/reference/session/functions/session-regenerate-id.xml b/reference/session/functions/session-regenerate-id.xml
index 4bb92cdf2d..a3c91708ed 100644
--- a/reference/session/functions/session-regenerate-id.xml
+++ b/reference/session/functions/session-regenerate-id.xml
@@ -1,29 +1,85 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.4 $ -->
-  <refentry id="function.session-regenerate-id">
-   <refnamediv>
-    <refname>session_regenerate_id</refname>
-    <refpurpose>
-     Update the current session id with a newly generated one
-    </refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Description</title>
-     <methodsynopsis>
-      <type>bool</type><methodname>session_regenerate_id</methodname>
-      <void />
-     </methodsynopsis>
-    <para>
-     <function>session_regenerate_id</function> will replace the current
-     session id with a new one, and keep the current session information.
-    </para>
-    <para>
-     &return.success;
-    </para>
-    <para>
-     <example>
-      <title>A <function>session_regenerate_id</function> example</title>
-      <programlisting role="php">
+<!-- $Revision: 1.5 $ -->
+<refentry id="function.session-regenerate-id">
+ <refnamediv>
+  <refname>session_regenerate_id</refname>
+  <refpurpose>
+   Update the current session id with a newly generated one
+  </refpurpose>
+ </refnamediv>
+ <refsect1 role="description">
+  &reftitle.description;
+  <methodsynopsis>
+   <type>bool</type><methodname>session_regenerate_id</methodname>
+   <methodparam choice="opt"><type>bool</type><parameter>delete_old_session</parameter></methodparam>
+  </methodsynopsis>
+  <para>
+   <function>session_regenerate_id</function> will replace the current
+   session id with a new one, and keep the current session information.
+  </para>
+ </refsect1>
+
+ <refsect1 role="parameters">
+  &reftitle.parameters;
+  <para>
+   <variablelist>
+    <varlistentry>
+     <term><parameter>delete_old_session</parameter></term>
+      <listitem>
+       <para>
+        Whether to delete the old session or not. Defaults to &false;.
+       </para>
+      </listitem>
+     </varlistentry>
+   </variablelist>
+  </para>
+ </refsect1>
+
+ <refsect1 role="returnvalues">
+  &reftitle.returnvalues;
+  <para>
+   &return.success;
+  </para>
+ </refsect1>
+
+ <refsect1 role="changelog">
+  &reftitle.changelog;
+  <para>
+   <informaltable>
+    <tgroup cols="2">
+     <thead>
+      <row>
+       <entry>&Version;</entry>
+       <entry>&Description;</entry>
+      </row>
+     </thead>
+     <tbody>
+      <row>
+       <entry>4.3.3</entry>
+       <entry>
+        Since then, if session cookies are enabled, use of
+        <function>session_regenerate_id</function> will also submit a new
+        session cookie with the new session id.
+       </entry>
+      </row>
+      <row>
+       <entry>5.1.0</entry>
+       <entry>
+        Added the <parameter>delete_old_session</parameter> parameter.
+       </entry>
+      </row>
+     </tbody>
+    </tgroup>
+   </informaltable>
+  </para>
+ </refsect1>
+
+ <refsect1 role="examples">
+  &reftitle.examples;
+  <para>
+   <example>
+    <title>A <function>session_regenerate_id</function> example</title>
+    <programlisting role="php">
 <![CDATA[
 <?php
 session_start();
@@ -40,23 +96,22 @@ echo "New Session: $new_sessionid<br />";
 print_r($_SESSION);
 ?>
 ]]>
-      </programlisting>
-     </example>
-    </para>
-    <note>
-     <para>
-      As of PHP 4.3.3, if session cookies are enabled, use of
-      <function>session_regenerate_id</function> will also submit a new
-      session cookie with the new session id.
-     </para>
-    </note>
-    <para>
-     See also <function>session_id</function>,
-     <function>session_start</function>, and 
-     <function>session_name</function>.
-    </para>
-   </refsect1>
-  </refentry>
+    </programlisting>
+   </example>
+  </para>
+ </refsect1>
+
+ <refsect1 role="seealso">
+  &reftitle.seealso;
+  <para>
+   <simplelist>
+    <member><function>session_id</function></member>
+    <member><function>session_start</function></member>
+    <member><function>session_name</function></member>
+   </simplelist>
+  </para>
+ </refsect1>
+</refentry>
 
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