diff --git a/adev/src/content/guide/routing/common-router-tasks.md b/adev/src/content/guide/routing/common-router-tasks.md
index 59a259cf443..9d4ce0574b4 100644
--- a/adev/src/content/guide/routing/common-router-tasks.md
+++ b/adev/src/content/guide/routing/common-router-tasks.md
@@ -35,7 +35,7 @@ Update the component to have an `input()` property matching the name of the para
 
 ```ts
 id = input.required<string>()
-hero = computed(() => this.service.getHero(id));
+hero = computed(() => this.service.getHero(id()));
 ```
 
 </docs-step>