Update configuration.md

More details and an error fix (no ":" after `Token` in the send header).

Author: krzysztofjeziorny

docs/advanced_topics/api/v2/configuration.md

@@ -292,7 +292,7 @@ For cases where the source image set may contain SVGs, the `ImageRenditionField`
 
 ### Authentication
 
-To protect the access to your API, you can implement an [authentication](https://www.django-rest-framework.org/api-guide/authentication/) method provided by the Django Rest Framework, for example the [Token Authentication](https://www.django-rest-framework.org/api-guide/authentication/#tokenauthentication):
+To protect the access to your API, you can implement an [authentication](https://www.django-rest-framework.org/api-guide/authentication/) method provided by the Django REST Framework, for example the [Token Authentication](https://www.django-rest-framework.org/api-guide/authentication/#tokenauthentication):
 
 ```python
 # api.py
@@ -332,9 +332,11 @@ REST_FRAMEWORK = {
 ```
 
 
-Don't forget to run the needed migrations. 
+Don't forget to run the app's migrations. 
+
+Your API endpoint will be accessible only with the Authorization header containing the generated `Token exampleSecretToken123xyz`. 
+Tokens can be generated in the Django admin under Auth Token or using the `manage.py` command `drf_create_token`.
 
-Your API endpoint will be accessible only with the Authorization header containing the generated `Token: exampletoken123xyz`.
 Note: If you use `TokenAuthentication` in production you must ensure that your API is only available over `https`.
 
 ## Additional settings