Merge pull request hashicorp#2 from varmeEqualsthis/patch-2

Update deploy_app.sh

Author: ramelapa

files/deploy_app.sh

@@ -11,7 +11,7 @@ cat << EOM > /var/www/html/index.html
   <!-- BEGIN -->
   <center><img src="http://${PLACEHOLDER}/${WIDTH}/${HEIGHT}"></img></center>
   <center><h2>Meow World!</h2></center>
-  Welcome to ${PREFIX}'s app. Replace this text with your own.
+  ${PREFIX} the best app. Replace this text with your own.
   <!-- END -->
 
   </div>