diff --git a/docs/tutorials/hello-world.md b/docs/tutorials/hello-world.md
index f8642d4..8addd58 100644
--- a/docs/tutorials/hello-world.md
+++ b/docs/tutorials/hello-world.md
@@ -30,7 +30,7 @@ That's not very exciting. Let's make our template more templatey – replace the
 Then, add some data to it, by adding a data initialisation option to our code on the script tab so that it looks like this:
 
 ```js
-var ractive = Ractive({
+var ractive = new Ractive({
   target: output,
   template: template,
   data: { greeting: 'Hello', name: 'world' }