diff --git a/modules/@angular/router/src/config.ts b/modules/@angular/router/src/config.ts
index 12c361b965..bb11339056 100644
--- a/modules/@angular/router/src/config.ts
+++ b/modules/@angular/router/src/config.ts
@@ -61,7 +61,7 @@ import {Observable} from 'rxjs/Observable';
  * {
  *   path: 'chat/:user',
  *   component: Chat
- *   outlet: aux
+ *   outlet: 'aux'
  * }]
  * ```
  *