diff --git a/Templates/aboutdatabase.html b/Templates/aboutdatabase.html
index d7bc297..3ebd677 100644
--- a/Templates/aboutdatabase.html
+++ b/Templates/aboutdatabase.html
@@ -104,11 +104,11 @@
                     </li>
 
                     <li class="nav-item ">
-                        <a class="nav-link" href="docs/index.html">Docs</a>
+                        <a class="nav-link" href="../file_down/handbook.pdf" download='handbook.pdf'>Docs</a>
                     </li>
                 </ul>
                 <!-- Button -->
-                <a class="navbar-btn btn btn-sm btn-primary d-none d-lg-inline-block ml-3" href="">
+                <a class="navbar-btn btn btn-sm btn-primary d-none d-lg-inline-block ml-3" href="https://github.com/igemsoftwareadmin/Synthesis_Navigator">
                     Git Hub
                 </a>
                 <!-- Mobile button -->
diff --git a/Templates/abouthms.html b/Templates/abouthms.html
index 52e3449..e2056fb 100644
--- a/Templates/abouthms.html
+++ b/Templates/abouthms.html
@@ -150,11 +150,11 @@
                     </li>
 
                     <li class="nav-item ">
-                        <a class="nav-link" href="docs/index.html">Docs</a>
+                        <a class="nav-link" href="../file_down/handbook.pdf" download='handbook.pdf'>Docs</a>
                     </li>
                 </ul>
                 <!-- Button -->
-                <a class="navbar-btn btn btn-sm btn-primary d-none d-lg-inline-block ml-3" href="">
+                <a class="navbar-btn btn btn-sm btn-primary d-none d-lg-inline-block ml-3" href="https://github.com/igemsoftwareadmin/Synthesis_Navigator">
                     Git Hub
                 </a>
                 <!-- Mobile button -->
diff --git a/Templates/aboutpf.html b/Templates/aboutpf.html
index 1701fd4..836c343 100644
--- a/Templates/aboutpf.html
+++ b/Templates/aboutpf.html
@@ -223,11 +223,11 @@
                     </li>
 
                     <li class="nav-item ">
-                        <a class="nav-link" href="docs/index.html">Docs</a>
+                        <a class="nav-link" href="../file_down/handbook.pdf" download='handbook.pdf'>Docs</a>
                     </li>
                 </ul>
                 <!-- Button -->
-                <a class="navbar-btn btn btn-sm btn-primary d-none d-lg-inline-block ml-3" href="">
+                <a class="navbar-btn btn btn-sm btn-primary d-none d-lg-inline-block ml-3" href="https://github.com/igemsoftwareadmin/Synthesis_Navigator">
                     Git Hub
                 </a>
                 <!-- Mobile button -->