diff --git a/public/docs/ts/latest/tutorial/toh-pt1.jade b/public/docs/ts/latest/tutorial/toh-pt1.jade
index ea0fe9f93b..8f30f03a0d 100644
--- a/public/docs/ts/latest/tutorial/toh-pt1.jade
+++ b/public/docs/ts/latest/tutorial/toh-pt1.jade
@@ -283,6 +283,7 @@ include ../../../../_includes/_util-fns
     }
 
     @Component({
+      selector: 'my-app',
       template:`
         <h1>{{title}}&lt/h1>
         &lth2>{{hero.name}} details!&lt/h2>