diff --git a/site/content/tutorial/05-events/04-component-events/app-b/App.svelte b/site/content/tutorial/05-events/04-component-events/app-b/App.svelte
index a8d14a368a..ceacb5e5a5 100644
--- a/site/content/tutorial/05-events/04-component-events/app-b/App.svelte
+++ b/site/content/tutorial/05-events/04-component-events/app-b/App.svelte
@@ -2,8 +2,8 @@
 	import Inner from './Inner.svelte';
 
 	function handleMessage(event) {
-		alert(event.detail.text);
+		alert(event.target.text);
 	}
 </script>
 
-<Inner on:message={handleMessage}/>
\ No newline at end of file
+<Inner on:message={handleMessage}/>