diff --git a/doc/deployment_guide/deployment_guide.md b/doc/deployment_guide/deployment_guide.md
index ae9cb949aa056121ad8adc7eee73a56536fb7781..d53dd85faef9cdae6e012a0b7a1fa837fadc1a38 100644
--- a/doc/deployment_guide/deployment_guide.md
+++ b/doc/deployment_guide/deployment_guide.md
@@ -13,9 +13,9 @@ Virtualization platforms tested are:
 
 - [Physical Server](#111-physical-server)
 - [Oracle Virtual Box](#112-oracle-virtual-box)
-- [VMWare Fusion](#1-1-3-vmware-fusion)
-- [OpenStack'](#1-1-4-openstack)
-- [Vagrant Box](#1-1-5-vagrant-box)
+- [VMWare Fusion](#113-vmware-fusion)
+- [OpenStack'](#114-openstack1-1-4-openstack)
+- [Vagrant Box](#115-vagrant-box)
 
 ## 1.1.1. Physical Server
 This page describes how to configure a physical server for running ETSI TeraFlowSDN(TFS) controller.
diff --git a/mkdocs.yml b/mkdocs.yml
index 2b647462712733a1a1914988a88c8b866f298b02..a11c736a7ad3b960dc5ccf178c8e11d9744eef40 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -26,7 +26,7 @@ theme:
   toc:
     include: true  
     collapse: true   
-    
+    depth: 2    
   # Don't include MkDocs' JavaScript
   #include_search_page: false
   #search_index_only: true