diff --git a/index.rst b/index.rst
index c7f4693..769b4d1 100644
--- a/index.rst
+++ b/index.rst
@@ -47,7 +47,6 @@ Contents
    cpt-servermeta
    cpt-replica
    cpt-repository-gateway
-   cpt-notification-system
    cpt-containers
    part-advanced
    part-appendix
diff --git a/part-advanced.rst b/part-advanced.rst
index d776877..3f61e82 100644
--- a/part-advanced.rst
+++ b/part-advanced.rst
@@ -15,4 +15,5 @@ Advanced Topics
    cpt-xcache
    cpt-large-scale
    cpt-shrinkwrap
+   cpt-notification-system
    cpt-details