diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index 330e360d69..943daf0ee0 100644
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -2621,6 +2621,21 @@
     </para>
 </section>
 
+<section id='ref-classes-toaster'>
+    <title><filename>toaster.bbclass</filename></title>
+
+    <para>
+        The <filename>toaster</filename> class collects information about
+        packages and images and sends them as events that the BitBake
+        user interface can receive.
+        The class is enabled when the Toaster user interface is running.
+    </para>
+
+    <para>
+        This class is not intended to be used directly.
+    </para>
+</section>
+
 <section id='ref-classes-useradd'>
     <title>Adding Users - <filename>useradd.bbclass</filename></title>