diff --git a/_sidebar.md b/_sidebar.md
index 3b47e07..3521e94 100644
--- a/_sidebar.md
+++ b/_sidebar.md
@@ -1,8 +1,9 @@
 #### [Home](home)
 
+- [Vision document](vision-document)
+
 ##### Documentation
 
-  - [Vision document](vision-document)
   - [Use Case Diagram](use-case-diagram)
   - [Use Cases](use-cases)
   - [Domain Model](domain-model)