diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index 34142cb152..94832f283a 100644
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -382,6 +382,18 @@
     </para>
 </section>
 
+<section id='ref-classes-buildstats-summary'>
+    <title><filename>buildstats-summary.bbclass</filename></title>
+
+    <para>
+        When inherited globally, prints statistics at the end of the build
+        on sstate re-use.
+        In order to function, this class requires the
+        <link linkend='ref-classes-buildstats'><filename>buildstats</filename></link>
+        class be enabled.
+    </para>
+</section>
+
 <section id='ref-classes-ccache'>
     <title><filename>ccache.bbclass</filename></title>