message: docs(aio): Fix reference to the right example
  Fix reference to the right example (it's the second route in the example the one showing the route parameter, not the first one)
diff: @@ -223,7 +223,7 @@ There are _no leading slashes_ in the _path_.
  The router parses and builds the final URL for you,
  allowing you to use both relative and absolute paths when navigating between application views.
  -The `:id` in the first route is a token for a route parameter. In a URL such as `/hero/42`, "42"
  +The `:id` in the second route is a token for a route parameter. In a URL such as `/hero/42`, "42"
  is the value of the `id` parameter. The corresponding `HeroDetailComponent`
  will use that value to find and present the hero whose `id` is 42.
  You'll learn more about route parameters later in this guide.
  