diff --git a/index.html b/index.html
index 6aee098..efd612a 100644
--- a/index.html
+++ b/index.html
@@ -790,7 +790,7 @@
                 </div>
             </div>
         </footer>
-		<script src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.3.1/js/tether.min.js"></script>
+        <script src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.3.1/js/tether.min.js"></script>
         <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
         <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0-alpha.6/js/bootstrap.min.js"></script>
         <script src="https://cdn.jsdelivr.net/jquery.scrollto/2.1.0/jquery.scrollTo.min.js"></script>