chore: fix typo in example (#31)

Author: pandafeeder

index.html

@@ -55,7 +55,7 @@ <h1 class="pink-highlight">Yargs be a node.js library fer hearties tryin' ter pa
 
         <div class="page-heading"> Getting Started </div>
 
-        <div class="instructions"> After creating hello.js start with the following code to get you going: </div>
+        <div class="instructions"> After creating example.js start with the following code to get you going: </div>
 
         <pre>
           <code class="hljs language-javascript">