diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index 8d03174ab2..3cf1359ee8 100644
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -633,6 +633,47 @@
     </para>
 </section>
 
+<section id='ref-classes-gnome'>
+    <title><filename>gnome.bbclass</filename></title>
+
+    <para>
+        The GNOME (<filename>gnome</filename>) class supports recipes that
+        build software from the GNOME stack.
+        This class inherits the
+        <link linkend='ref-classes-gnomebase'><filename>gnomebase</filename></link>,
+        <link linkend='ref-classes-gtk-icon-cache'><filename>gtk-icon-cache</filename></link>,
+        <link linkend='ref-classes-gconf'><filename>gconf</filename></link> and
+        <link linkend='ref-classes-mime'><filename>mime</filename></link> classes.
+        The class also disables GLib Object System (Gobject) introspection
+        where applicable.
+    </para>
+</section>
+
+<section id='ref-classes-gnomebase'>
+    <title><filename>gnomebase.bbclass</filename></title>
+
+    <para>
+        The GNOME base (<filename>gnomebase</filename>) class is the base
+        class for recipes that build software from the GNOME stack.
+    </para>
+</section>
+
+<section id='ref-classes-gtk-icon-cache'>
+    <title><filename>gtk-icon-cache.bbclass</filename></title>
+
+    <para>
+        The GNOME (<filename>gtk-icon-cache</filename>) class
+    </para>
+</section>
+
+<section id='ref-classes-mime'>
+    <title><filename>mime.bbclass</filename></title>
+
+    <para>
+        The GNOME (<filename>mime</filename>) class
+    </para>
+</section>
+
 <section id='ref-classes-pkgconfig'>
     <title>Pkg-config - <filename>pkgconfig.bbclass</filename></title>