message: docs(aio): fix a typo to improve readability
  Remove a comma and space
  PR Close
diff: @@ -77,7 +77,7 @@ Then define an array of routes with a single `route` to that component.
  </code-example>
  Once you've finished setting up, the router will match that URL to `path: 'heroes'`
  -and display the `HeroesComponent`, .
  +and display the `HeroesComponent`.
  ### _RouterModule.forRoot()_
  