README.md in unsplash-1.5.2 vs README.md in unsplash-1.5.3

@@ -24,15 +24,15 @@
 ## Usage
 
 ### Configuration
 
 Before making requests, you must configure the gem with your application ID
-and secret. If you are using Rails, you can do this in an initializer. 
+and secret. If you are using Rails, you can do this in an initializer.
 
 ```ruby
-Unsplash.configure do |config|    
-  config.application_id     = "YOUR APPLICATION ID"    
+Unsplash.configure do |config|
+  config.application_access_key = "YOUR ACCESS KEY"
   config.application_secret = "YOUR APPLICATION SECRET"
   config.application_redirect_uri = "https://your-application.com/oauth/callback"
   config.utm_source = "alices_terrific_client_app"
 end
 ```
@@ -89,10 +89,10 @@
 
 ## Development
 
 After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake rspec` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.
 
-To install this gem onto your local machine, run `bundle exec rake install`. 
+To install this gem onto your local machine, run `bundle exec rake install`.
 
 ## Contributing
 
 Bug reports and pull requests are welcome on GitHub at https://github.com/unsplash/unsplash_rb. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the [Contributor Covenant](http://contributor-covenant.org) code of conduct.