diff --git a/modules/@angular/router/src/interfaces.ts b/modules/@angular/router/src/interfaces.ts
index 1373c8c65c..70638625ed 100644
--- a/modules/@angular/router/src/interfaces.ts
+++ b/modules/@angular/router/src/interfaces.ts
@@ -98,7 +98,7 @@ export interface CanActivate {
  *   provideRouter([
  *     {
  *       path: 'root',
- *       canActivateChild: [CanActivateTeam],
+ *       canActivateChild: ['canActivateTeam'],
  *       children: [
  *        {
  *          path: 'team/:id',