diff --git a/documentation/ref-manual/migration.xml b/documentation/ref-manual/migration.xml
index 82120c672f..91eabf807b 100644
--- a/documentation/ref-manual/migration.xml
+++ b/documentation/ref-manual/migration.xml
@@ -5045,7 +5045,8 @@ id=f4d4f99cfbc2396e49c1613a7d237b9e57f06f81'>commit message</ulink>.
             Kernel Device Tree support is now easier to enable in a kernel
             recipe.
             The Device Tree code has moved to a
-            <filename>kernel-devicetree</filename> class.
+            <link linkend='ref-classes-kernel-devicetree'><filename>kernel-devicetree</filename></link>
+            class.
             Functionality is automatically enabled for any recipe that inherits
             the
             <link linkend='ref-classes-kernel'><filename>kernel</filename></link>
diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index 5961d3ea78..0fc88c43a7 100644
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -1883,6 +1883,17 @@ This check was removed for YP 2.3 release
     </para>
 </section>
 
+<section id='ref-classes-kernel-devicetree'>
+    <title><filename>kernel-devicetree.bbclass</filename></title>
+
+    <para>
+        The <filename>kernel-devicetree</filename> class, which is inherited by
+        the
+        <link linkend='ref-classes-kernel'><filename>kernel</filename></link>
+        class, supports device tree generation.
+    </para>
+</section>
+
 <section id='ref-classes-kernel-fitimage'>
     <title><filename>kernel-fitimage.bbclass</filename></title>