diff --git a/aio/content/examples/router/src/app/heroes/hero-detail/hero-detail.component.2.ts b/aio/content/examples/router/src/app/heroes/hero-detail/hero-detail.component.2.ts
index 2e2c3c0fd66..b0896899df9 100644
--- a/aio/content/examples/router/src/app/heroes/hero-detail/hero-detail.component.2.ts
+++ b/aio/content/examples/router/src/app/heroes/hero-detail/hero-detail.component.2.ts
@@ -8,7 +8,7 @@ import { HeroService } from '../hero.service';
 import { Hero } from '../hero';
 
 @Component({
-  selector: 'app-hero-detaill',
+  selector: 'app-hero-detail',
   templateUrl: './hero-detail.component.html',
   styleUrls: ['./hero-detail.component.css']
 })