diff --git a/documentation/kernel-dev/kernel-dev.xml b/documentation/kernel-dev/kernel-dev.xml
index 0adc94f4af..1d2d55e3ac 100644
--- a/documentation/kernel-dev/kernel-dev.xml
+++ b/documentation/kernel-dev/kernel-dev.xml
@@ -63,6 +63,8 @@
 
     <xi:include href="kernel-dev-advanced.xml"/>
 
+    <xi:include href="kernel-dev-concepts-appx.xml"/>
+
 <!--
     <xi:include href="kernel-dev-examples.xml"/>
 -->