diff --git a/documentation/poky-ref-manual/ref-images.xml b/documentation/poky-ref-manual/ref-images.xml
index 4e7b029ea7..519f1c7675 100644
--- a/documentation/poky-ref-manual/ref-images.xml
+++ b/documentation/poky-ref-manual/ref-images.xml
@@ -92,6 +92,21 @@
             See the <link linkend='platdev-appdev-external-sdk'> 
             External Development Using the Poky SDK</link> section for more information.
             </para></listitem>
+        <listitem><para><emphasis><filename>core-image-rt</filename>:</emphasis>
+            A <filename>core-image-minimal</filename> image plus a real-time test suite and 
+            tools appropriate for real-time use.</para></listitem>
+        <listitem><para><emphasis><filename>core-image-rt-sdk</filename>:</emphasis>
+            A <filename>core-image-rt</filename> image that includes everything in 
+            <filename>meta-toolchain</filename>.  
+            The image also includes development headers and libraries to form a complete 
+            stand-alone SDK.  
+            See the <link linkend='platdev-appdev-external-sdk'> External Development 
+            Using the Poky SDK</link> section for more information.</para></listitem>
+        <listitem><para><emphasis><filename>core-image-gtk-directfb</filename>:</emphasis>
+            An image that uses <filename>gtk+</filename> over <filename>directfb</filename> 
+            instead of X11.  
+            In order to build, this image requires specific distro configuration that enables 
+            <filename>gtk</filename> over <filename>directfb</filename>.</para></listitem>
     </itemizedlist>
 
     <tip>