diff --git a/site/src/pages/demo.html b/site/src/pages/demo.html
index ae8f83b..fc28647 100644
--- a/site/src/pages/demo.html
+++ b/site/src/pages/demo.html
@@ -79,7 +79,11 @@
<main>
<a href="/demo/about">{{ count }}</a>
<div>
- <my-hello-world data-name="{{name }}"></my-hello-world>
+ <my-hello-world id="my-hello" data-name="{{name }}"></my-hello-world>
+ <input
+ placeholder="Type your name here"
+ onkeyup="document.getElementById('my-hello').setAttribute('data-name', this.value)"
+ />
</div>
<code-block language="js">const name = "Nitro"</code-block>
<p>some text: {{greeting}}</p>