diff --git a/mkdocs.yml b/mkdocs.yml
index 4ca82ef81d36c0545235752456f31d093427a0fb..e1d5e81d28cd22cdda56589201dc7a59315da4df 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -75,14 +75,14 @@ nav:
   - Deployment Guide:
       - Configure your Machine: index.md
           - Physical Server: releasenotes.md
-          - Oracle Virtual Box: releasenotes.md          
+          - Oracle Virtual Box: releasenotes.md
           - VMWare Fusion: releasenotes.md
-          - OpenStack: releasenotes.md     
-          - Vagrant Box: releasenotes.md                  
+          - OpenStack: releasenotes.md
+          - Vagrant Box: releasenotes.md
       - Install MicroK8s: architecture.md
       - Deploy TeraFlowSDN: architecture.md  
       - WebUI and Grafana Dashboards: architecture.md  
-      - Show deployments and Logs: architecture.md              
+      - Show deployments and Logs: architecture.md        
   - Development Guide:
       - Configure Environment: 
           - Python: ./gettingstarted/howtorun.md