diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index cd3924af6b..1c40743a10 100644
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -996,6 +996,16 @@
     </para>
 </section>
 
+<section id='ref-classes-kernel-module-split'>
+    <title><filename>kernel-module-split.bbclass</filename></title>
+
+    <para>
+        The kernel module split (<filename>kernel-module-split</filename>) class
+        provides common functionality for splitting Linux kernel modules into
+        separate packages.
+    </para>
+</section>
+
 <section id='ref-classes-mime'>
     <title><filename>mime.bbclass</filename></title>