* Couple of changes to the document

Correcting a typo in line 53
Line 226 should be re-written as "To easily configure"

* Update docs/sources/auth/generic-oauth.md

Co-Authored-By: Arve Knudsen <arve.knudsen@gmail.com>

Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>