Update _hero.html

Author: iancoralogix

pages/contact/_hero.html

@@ -1,7 +1,7 @@
 <div class="container">
   <div class="row">
     <div class="col-xs-12 text-center">
-      <h1>Book a Demo!</h1>
+      <h1>Book a Gruntwork Demo!</h1>
       <p style="margin-bottom:4px" class="lead">Use this form to book a live demo with our DevOps engineers.</p>
     </div>
   </div>