diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index 6bbc3f17bc..0626e6cc75 100644
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -772,6 +772,11 @@
     <para>
         The <filename>gnomebase</filename> class is the base
         class for recipes that build software from the GNOME stack.
+        This class sets
+        <link linkend='var-SRC_URI'><filename>SRC_URI</filename></link> to
+        download the source from the GNOME mirrors as well as extends
+        <link linkend='var-FILES'><filename>FILES</filename></link>
+        with the typical GNOME installation path.
     </para>
 </section>