diff --git a/documentation/ref-manual/introduction.xml b/documentation/ref-manual/introduction.xml
index 9c6193cd44..6e8e7a087b 100644
--- a/documentation/ref-manual/introduction.xml
+++ b/documentation/ref-manual/introduction.xml
@@ -103,10 +103,11 @@
         <para>
             Currently, the Yocto Project is supported on the following distributions:
             <itemizedlist>
-                <listitem><para>Ubuntu 13.04</para></listitem>
                 <listitem><para>Ubuntu 10.04</para></listitem>
                 <listitem><para>Ubuntu 11.10</para></listitem>
+                <listitem><para>Ubuntu 12.04 (LTS)</para></listitem>
                 <listitem><para>Ubuntu 12.10</para></listitem>
+                <listitem><para>Ubuntu 13.04</para></listitem>
                 <listitem><para>Fedora release 17 (Beefy Miracle)</para></listitem>
                 <listitem><para>Fedora release 18 (Spherical Cow)</para></listitem>
                 <listitem><para>CentOS release 6.3 (Final)</para></listitem>