message: docs(aio): fix punctuation for clarity
  PR Close
diff: @@ -371,7 +371,7 @@ and to
  Angular developers may encounter a
  <a href="https://en.wikipedia.org/wiki/Cross-origin_resource_sharing" title="Cross-origin resource sharing">
  -<i>cross-origin resource sharing</i></a> error when making a service request (typically a data service request).
  +<i>cross-origin resource sharing</i></a> error when making a service request (typically a data service request)
  to a server other than the application's own host server.
  Browsers forbid such requests unless the server permits them explicitly.
  