RR feedback

Author: norareidy

docs/user-authentication.txt

@@ -164,6 +164,16 @@ Laravel Passport is an OAuth 2.0 server implementation that offers
 API authentication for Laravel applications. Use Laravel Passport if
 your application requires OAuth2 support.
 
+.. tip::
+
+   To learn more about Laravel Passport and the OAuth 2.0 protocol, see
+   the following resources:
+
+   - `Laravel Passport <https://laravel.com/docs/{+laravel-docs-version+}/passport>`__ in the
+     Laravel documentation.
+
+   - `OAuth 2.0 <https://oauth.net/2/>`__ on the OAuth website.
+
 Install Laravel Passport
 ````````````````````````
 
@@ -201,14 +211,13 @@ API requests. The following example adds the ``api`` authentication guard
 to the ``guards`` array:
 
 .. code-block:: php
-   :emphasize-lines: 7-10
+   :emphasize-lines: 6-9
 
    'guards' => [
       'web' => [
          'driver' => 'session',
          'provider' => 'users',
       ],
-   
       'api' => [
          'driver' => 'passport',
          'provider' => 'users',
@@ -229,8 +238,8 @@ You can define the following {+odm-short+} model classes:
 - ``MongoDB\Laravel\Passport\RefreshToken``, which extends ``Laravel\Passport\RefreshToken``
 - ``MongoDB\Laravel\Passport\Token``, which extends ``Laravel\Passport\Token``
 
-For example, the following code overrides the default ``Laravel\Passport\AuthCode``
-model class by defining a ``MongoDB\Laravel\Passport\AuthCode`` class and including
+The following example code extends the default ``Laravel\Passport\AuthCode``
+model class when defining a ``MongoDB\Laravel\Passport\AuthCode`` class and includes
 the ``DocumentModel`` trait:
 
 .. code-block:: php
@@ -243,9 +252,10 @@ the ``DocumentModel`` trait:
       protected $keyType = 'string';
    }
 
-After defining each custom model, instruct Passport to use the models in the ``boot()`` 
-method of your application's ``App\Providers\AppServiceProvider`` class, as shown
-in the following code:
+After defining custom models that extend each ``Laravel\Passport`` class, instruct
+Passport to use the models in the ``boot()`` method of your application's
+``App\Providers\AppServiceProvider`` class. The following example adds each custom
+model to the ``boot()`` method:
 
 .. literalinclude:: /includes/auth/AppServiceProvider.php
    :language: php