Reported error from customer

https://twilio.zendesk.com/agent/tickets/6000658

Author: bermudezmt

rest/messages/generate-twiml-sms/generate-twiml-sms.5.x.php

@@ -2,7 +2,7 @@
 // Get the PHP helper library from https://twilio.com/docs/libraries/php
 
 require_once 'vendor/autoload.php'; // Loads the library
-use Twilio\Twiml\MessagingResponse;
+use Twilio\TwiML\MessagingResponse;
 
 $response = new MessagingResponse();
 $response->message("The Robots are coming! Head for the hills!");