* Suggesting couple of changes to the document

Line 15 should be modified to use your application instead of an application, same way it is being used in other auth docs.

typo in line 76, can is repeated twice . Correcting that typo

* Update docs/sources/auth/gitlab.md

Co-Authored-By: Diana Payton <52059945+oddlittlebird@users.noreply.github.com>

* Update gitlab.md

Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>
Co-authored-by: Diana Payton <52059945+oddlittlebird@users.noreply.github.com>