message: docs: fix broken html for deployment.md
  without the closing quote the text and link are not displayed correctly
  PR Close
diff: @@ -46,7 +46,7 @@ Make a note of the user name and project name in GitHub.
  You can see your deployed page at `https://<user_name>.github.io/<project_name>/`.
  -<div class="alert is-helpful>
  +<div class="alert is-helpful">
  Check out [angular-cli-ghpages](https://github.com/angular-buch/angular-cli-ghpages), a full featured package that does all this for you and has extra functionality.
  