message: docs: fix typo in toh-pt6.md
  PR Close
diff: @@ -251,7 +251,7 @@ Here is the final version of `getHeroes` with the `tap` that logs the operation.
  Most web APIs support a _get by id_ request in the form `:baseURL/:id`.
  -Here, the _base URL_ is the `heroesURL` defined in the [Heroes and HTTP](http://localhost:4800/tutorial/toh-pt6#heroes-and-http) section (`api/heroes`) and _id_ is
  +Here, the _base URL_ is the `heroesURL` defined in the [Heroes and HTTP](tutorial/toh-pt6#heroes-and-http) section (`api/heroes`) and _id_ is
  the number of the hero that you want to retrieve. For example, `api/heroes/11`.
  Add a `HeroService.getHero()` method to make that request:
  