tutorial docs errata

Author: n2ygk

CHANGELOG.md

@@ -18,6 +18,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 * #812: Reverts #643 pass wrong request object to authenticate function.
 * Fix concurrency issue with refresh token requests (#[810](https://github.com/jazzband/django-oauth-toolkit/pull/810))
+* #817: Reverts #734 tutorial documentation error.
 
 ## [1.3.0] 2020-03-02