diff --git a/docs/_markbind/layouts/default.md b/docs/_markbind/layouts/default.md
index 7348aace..8576932d 100644
--- a/docs/_markbind/layouts/default.md
+++ b/docs/_markbind/layouts/default.md
@@ -5,6 +5,7 @@
 <header sticky>
   <navbar type="dark">
     <a slot="brand" href="{{baseUrl}}/index.html" title="Home" class="navbar-brand">AB-3</a>
+    <li><a href="{{baseUrl}}/index.html" class="nav-link">Home</a></li>
     <li><a href="{{baseUrl}}/UserGuide.html" class="nav-link">User Guide</a></li>
     <li><a href="{{baseUrl}}/DeveloperGuide.html" class="nav-link">Developer Guide</a></li>
     <li><a href="{{baseUrl}}/AboutUs.html" class="nav-link">About Us</a></li>