Fix URL in API consumer docs

api/catalog/api/docs/README.md

@@ -23,15 +23,15 @@ instructions on obtaining an API key.
 
 ## Register for a key
 Before using the Openverse API, you need to register access via OAuth2. This can
-be done using the `/v1/auth_tokens/register` endpoint.
+be done using the `/v1/auth_tokens/register/` endpoint.
 
 Example on how to register for a key:
 ```bash
 $ curl \
   -X POST \
   -H "Content-Type: application/json" \
   -d '{"name": "My amazing project", "description": "To access Openverse API", "email": "user@example.com"}' \
-  "https://api.openverse.engineering/v1/auth_tokens/register"
+  "https://api.openverse.engineering/v1/auth_tokens/register/"
 ```
 If your request is successful, you will get a `client_id` and `client_secret`.
 

api/catalog/api/models/models.py

@@ -12,7 +12,7 @@ class ContentProvider(models.Model):
 
     For example,
     - Wikimedia for audio can have
-        ``provider_identifier`` as  wikimedia_audio" and
+        ``provider_identifier`` as  "wikimedia_audio" and
         ``provider_name`` as "Wikimedia"
     - Wikimedia for images can have
         ``provider_identifier`` as "wikimedia_images" or "wikimedia" and

api/catalog/urls/__init__.py

@@ -2,6 +2,7 @@
 
 The `urlpatterns` list routes URLs to views. For more information please see:
     https://docs.djangoproject.com/en/2.0/topics/http/urls/
+
 Examples:
 Function views
     1. Add an import:  from my_app import views