diff --git a/documentation/ref-manual/ref-structure.xml b/documentation/ref-manual/ref-structure.xml
index 13f8d0478e..6bf3acfbbb 100644
--- a/documentation/ref-manual/ref-structure.xml
+++ b/documentation/ref-manual/ref-structure.xml
@@ -558,6 +558,11 @@
             such as <filename>image.bbclass</filename>, <filename>rootfs_*.bbclass</filename> and
             <filename>package*.bbclass</filename>.
         </para>
+
+        <para>
+            For reference information on classes, see the
+            "<link linkend='ref-classes'>Classes</link>" chapter.
+        </para>
     </section>
 
     <section id='structure-meta-conf'>