diff --git a/documentation/ref-manual/introduction.xml b/documentation/ref-manual/introduction.xml
index 6aa076f29f..3322f85668 100644
--- a/documentation/ref-manual/introduction.xml
+++ b/documentation/ref-manual/introduction.xml
@@ -133,16 +133,24 @@
                 </para>
             </note>
             <itemizedlist>
+                <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 16 (Verne)</para></listitem>
+                <listitem><para>Fedora 17 (Spherical)</para></listitem>
                 <listitem><para>Fedora release 18 (Spherical Cow)</para></listitem>
+<!--                <listitem><para>Fedora release 19 (Schrödinger's Cat)</para></listitem> -->
+                <listitem><para>CentOS release 5.6 (Final)</para></listitem>
+                <listitem><para>CentOS release 5.7 (Final)</para></listitem>
+                <listitem><para>CentOS release 5.8 (Final)</para></listitem>
                 <listitem><para>CentOS release 6.3 (Final)</para></listitem>
                 <listitem><para>CentOS release 6.4 (Final)</para></listitem>
                 <listitem><para>Debian GNU/Linux 6.0 (Squeeze)</para></listitem>
                 <listitem><para>Debian GNU/Linux 7.0 (Wheezy)</para></listitem>
-                <listitem><para>Debian GNU/Linux 7.1 (Wheezy)</para></listitem>
+<!--                <listitem><para>Debian GNU/Linux 7.1 (Wheezy)</para></listitem> -->
+                <listitem><para>openSUSE 11.4</para></listitem>
+                <listitem><para>openSUSE 12.1</para></listitem>
                 <listitem><para>openSUSE 12.2</para></listitem>
                 <listitem><para>openSUSE 12.3</para></listitem>
             </itemizedlist>