Adjust links to moved pages

Author: kadamwhite

extending-the-rest-api.md

@@ -2,7 +2,7 @@
 
 ## Guides
 
-[Modifying responses](https://developer.wordpress.org/rest-api/extending-the-rest-api/modifying-responses/): add fields to REST API response objects using `register_rest_field`
+[Modifying responses](https://developer.wordpress.org/rest-api/extending-the-rest-api/modifying-responses/): add fields to REST API response objects using `register_meta` or `register_rest_field`
 
 [Adding Endpoints](https://developer.wordpress.org/rest-api/extending-the-rest-api/adding-custom-endpoints/): create custom REST API endpoints for your plugin or application
 
@@ -13,8 +13,11 @@
 
 [Defining your API Schema](https://developer.wordpress.org/rest-api/extending-the-rest-api/schema/): define the schema for your REST API resources and their arguments
 
-[Glossary](https://developer.wordpress.org/rest-api/extending-the-rest-api/glossary/): get up to speed with phrases used throughout our documentation
+[Glossary](https://developer.wordpress.org/rest-api/glossary/): get up to speed with phrases used throughout our documentation
 
 [Routes & Endpoints](https://developer.wordpress.org/rest-api/extending-the-rest-api/routes-and-endpoints/): dive deeper into the nuances of REST API routes and the endpoints they provide
 
 [Controller Classes](https://developer.wordpress.org/rest-api/extending-the-rest-api/controller-classes/): discover how to structure and extend REST API endpoint controller classes
+
+
+[Frequently Asked Questions](https://developer.wordpress.org/rest-api/frequently-asked-questions/): see some of the most frequent inquiries about the REST API and learn how to solve common problems

extending-the-rest-api/adding-custom-endpoints.md

@@ -45,7 +45,7 @@ add_action( 'rest_api_init', function () {
 } );
 ```
 
-Right now, we're only registering the one endpoint for the route. The term "route" refers to the URL, whereas "endpoint" refers to the function behind it that corresponds to a method *and* a URL (for more information, see the [Glossary](https://developer.wordpress.org/rest-api/extending-the-rest-api/glossary/)).
+Right now, we're only registering the one endpoint for the route. The term "route" refers to the URL, whereas "endpoint" refers to the function behind it that corresponds to a method *and* a URL (for more information, see the [Glossary](https://developer.wordpress.org/rest-api/glossary/)).
 
 For example, if your site domain is `example.com` and you've kept the API path of `wp-json`, then the full URL would be `http://example.com/wp-json/myplugin/v1/author/(?P\d+)`.
 

using-the-rest-api.md

@@ -12,7 +12,7 @@ These articles explore the basic structure of the WordPress REST API.
 
 [Authentication](https://developer.wordpress.org/rest-api/using-the-rest-api/authentication/): authorize your REST API requests so that you can create, update and delete your data
 
-[Frequently Asked Questions](https://developer.wordpress.org/rest-api/using-the-rest-api/frequently-asked-questions/): see some of the most frequent inquiries about the REST API and learn how to solve common problems
+[Frequently Asked Questions](https://developer.wordpress.org/rest-api/frequently-asked-questions/): see some of the most frequent inquiries about the REST API and learn how to solve common problems
 
 
 ## Resources & Utilities