diff --git a/README.md b/README.md
index 572cbb2..6d5ea78 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,7 @@ Simple example:
 ```
 <custom-element-demo>
   <template>
+      <script src="../webcomponentsjs/webcomponents-lite.js"></script>
       <link rel=”import” href=”timeu-wizard.html”>
       <next-code-block></next-code-block>
   </template>