diff --git a/src/guide/introduction.md b/src/guide/introduction.md
index a83e669415..dd0a8d24cf 100644
--- a/src/guide/introduction.md
+++ b/src/guide/introduction.md
@@ -100,7 +100,7 @@ It's easy to toggle the presence of an element, too:
 const App3 = {
   data() {
     return {
-      message: 'You loaded this page on ' + new Date().toLocaleString()
+      seen: true
     }
   }
 }