diff --git a/lib/assemble-handlebars.js b/lib/assemble-handlebars.js
index <HASH>..<HASH> 100644
--- a/lib/assemble-handlebars.js
+++ b/lib/assemble-handlebars.js
@@ -6,6 +6,7 @@ try {
   helpers = require('handlebars-helpers');
 } catch (ex) {
   console.log('WARNING: ', ex);
+  console.log('To use handlebars-helpers run `npm install handlebars-helpers`');
 }
 
 var plugin = function() {
Better warning message.

Since handlebars-helpers isn't included by default, let users
know they can still use it just by doing
`npm install handlebars-helpers`