Update JSFiddle embed link in index.html

Author: nikoscham

index.html

@@ -74,9 +74,8 @@ <h2 id="gettingstarted"><a name="Getting Started"></a>Getting Started</h2>
     <p>
       FEAScript requires only a simple HTML page to operate. All simulations are executed locally in your
       browser, without the need for any cloud services. The entire workflow is performed using JavaScript
-      objects directly in the HTML file. Below is a live example demonstrating FEAScript in action (in case
-      you are using a phone, please turn it to horizontal position to see the results):
-      <script async src="//jsfiddle.net/nikoscham/prhezsgv/17/embed/js,result/"></script>
+      objects directly in the HTML file. Below is a live example demonstrating FEAScript in action:
+      <script async src="//jsfiddle.net/nikoscham/prhezsgv/21/embed/js,result/"></script>
     </p>
 
     <h2 id="features"><a name="Features"></a>Features</h2>