anchor.diff:    "plan_id":           "plan-guid-here",
     "organization_guid": "org-guid-here",
     "space_guid":        "space-guid-here"
  -}' -X PUT -H "X-Broker-API-Version: 2.4" -H "Content-Type: application/json"
  +}' -X PUT -H "X-Broker-API-Version: 2.5" -H "Content-Type: application/json"
   </pre>
   
   In this case, `instance_id` refers to the service instance id generated by Cloud
  
positive.code: ##### cURL #####
  <pre class="terminal">
  $ curl 'http://username:password@broker-url/v2/service_instances/:instance_id/
    service_bindings/:binding_id?service_id=service-id-here&plan_id=plan-id-here' -X DELETE -H "X-Broker-API-Version: 2.4"
  </pre>
  
  ### Response ###
  
negative.code:   "plan_id": 		"plan-guid-here",
    "service_id": 	"service-guid-here",
    "app_guid":	 	"app-guid-here"
  }' -X PUT -H "X-Broker-API-Version: 2.5" -H "Content-Type: application/json"
  </pre>
  
  In this case, `instance_id` refers to the id of an existing service instance in a previous provisioning, while `binding_id` is service binding id generated by Cloud Controller.
  