diff --git a/appendices/migration53.xml b/appendices/migration53.xml
index 8a9a13ef0f..e8a771a2b4 100644
--- a/appendices/migration53.xml
+++ b/appendices/migration53.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.1 $ -->
+<!-- $Revision: 1.2 $ -->
 <appendix xml:id="migration53" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
  <title>Migrating from PHP 5.2.x to PHP 5.3.x</title>
  <para>
@@ -1892,6 +1892,18 @@ var_dump(0 ?: 'Hello!');
     </simpara>
    </listitem>
   </itemizedlist>
+  <para>
+   The following ini directives have changed default value:
+  </para>
+  <itemizedlist>
+   <listitem>
+    <simpara>
+     <literal>session.use_only_cookies</literal> is now set to
+     <literal>"1"</literal> (enabled) by default.
+    </simpara>
+   </listitem>
+  </itemizedlist>
+
  </section>
 
  <section xml:id="migration53.other">