Add another goal, change spec url

Author: Art4

README.md

@@ -8,14 +8,15 @@
 
 JSON API Client is a PHP Library to validate and handle the response body from a [JSON API](http://jsonapi.org) Server.
 
-Format: [JSON API](http://jsonapi.org/format) 1.0
+Format: [JSON API 1.0](http://jsonapi.org/format/1.0/)
 
 ### WIP: Goals for 1.0
 
 * [x] Be 100% JSON API 1.0 spec conform
 * [x] Handle/validate a server response body
 * [ ] Offer an easy way to retrieve the data
 * [x] Be extendable and allow injection of classes/models
+* [ ] Offer access to included resources through identifier
 * [ ] Handle/validate a client request body
 
 ## Install