tarantool
diff --git a/‎doc/book/admin/index.rst
-1 b/‎doc/book/admin/index.rst
-1
diff --git a/‎doc/book/cluster_app.rst
+14 b/‎doc/book/cluster_app.rst
+14
@@ -25,7 +25,6 @@ This chapter includes the following sections:
    :maxdepth: 2
    :numbered: 0
 
-   instance_config
    start_stop_instance
    modules
    logs
 
@@ -0,0 +1,14 @@
+.. _cluster_app:
+
+Cluster applications
+====================
+
+..  NOTE::
+
+    This section is under development.
+
+..  toctree::
+    :maxdepth: 1
+
+    cluster_app/instance_config
+    cluster_app/app_roles