Update list.md

cheeses2 · cheeses2 · commit 7f639250c453 · 2014-11-14T20:09:28.000+01:00
diff --git a/source/guide/list.md b/source/guide/list.md
@@ -257,7 +257,7 @@ new Vue({
 <script>
 new Vue({
     el: '#app',
-    data: {val:3}
+    data: {val:13}
 });
 </script>
 
