diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index 35cf35b548..245e66eb5e 100644
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -452,6 +452,15 @@
     </para>
 </section>
 
+<section id='ref-classes-cross'>
+    <title><filename>cross.bbclass</filename></title>
+
+    <para>
+        The cross-compilation <filename>cross</filename> class
+        provides common support for cross-compilation tools.
+    </para>
+</section>
+
 <section id='ref-classes-debian'>
     <title>Debian Renaming - <filename>debian.bbclass</filename></title>