README.md in rdstation-ruby-client-2.3.1 vs README.md in rdstation-ruby-client-2.4.0

@@ -91,11 +91,11 @@
   config.client_secret = YOUR_CLIENT_SECRET
   config.on_access_token_refresh do |authorization|
     # authorization.access_token_expires_in is the time (in seconds for with the token is valid)
     # authorization.access_token is the new token
     # authorization.refresh_token is the existing refresh_token
-    # 
+    #
     # If you are using ActiveRecord, you may want to update the stored access_token, like in the following code:
     MyStoredAuth.where(refresh_token: authorization.refresh_token).update_all(access_token: authorization.access_token)
   end
 end
 ```
@@ -230,11 +230,11 @@
 #### Update a field
 
 ```ruby
 payload = {} # hash representing the payload
 client = RDStation::Client.new(access_token: 'access_token', refresh_token: 'refresh_token')
-client.fields.update('FIELD_UUID', payload) 
+client.fields.update('FIELD_UUID', payload)
 ```
 Or you can use the new `RDStation::Builder::Field`
 
 ```ruby
 payload = {} # hash representing the payload
@@ -313,9 +313,10 @@
 - `RDStation::Error::MethodNotAllowed` (405)
 - `RDStation::Error::NotAcceptable` (406)
 - `RDStation::Error::Conflict` (409)
 - `RDStation::Error::UnsupportedMediaType` (415)
 - `RDStation::Error::UnprocessableEntity` (422)
+- `RDStation::Error::TooManyRequests` (429)
 - `RDStation::Error::InternalServerError` (500)
 - `RDStation::Error::NotImplemented` (501)
 - `RDStation::Error::BadGateway` (502)
 - `RDStation::Error::ServiceUnavailable` (503)
 - `RDStation::Error::ServerError` (which is returned for 5xx errors different than 500, 501, 502 or 503)