diff --git a/docs/index.html b/docs/index.html
index 8812563a71..203f320d79 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -61,7 +61,7 @@
             color: #111;
             font-weight: bold;
         }
-        
+
         nav .selected:hover {
             text-decoration: none;
         }
@@ -176,7 +176,7 @@ <h1>Marked.js Documentation</h1>
         </div>
     </div>
     <script src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script>
-    <script src="https://cdn.jsdelivr.net/npm/es6-promise/dist/es6-promise.js"></script>	
+    <script src="https://cdn.jsdelivr.net/npm/es6-promise/dist/es6-promise.js"></script>
     <script src="https://cdn.jsdelivr.net/npm/unfetch/dist/unfetch.umd.js"></script>
     <script>
         if (!window.Promise) {