diff --git a/Concepts/README.md b/Concepts/README.md
index 2758034..97c2689 100644
--- a/Concepts/README.md
+++ b/Concepts/README.md
@@ -5,3 +5,4 @@ This chapter describes various concepts which are used in the Linux kernel.
 * [Per-CPU variables](http://0xax.gitbooks.io/linux-insides/content/Concepts/per-cpu.html)
 * [CPU masks](http://0xax.gitbooks.io/linux-insides/content/Concepts/cpumask.html)
 * [The initcall mechanism](https://0xax.gitbooks.io/linux-insides/content/Concepts/initcall.html)
+* [Notification Chains in Linux Kernel](https://0xax.gitbooks.io/linux-insides/content/Concepts/notification_chains.html)