anchor.diff:  
   ## <a id='update-broker'></a>Update a Broker ##
   
  -Updating a broker is how to applying changes a broker author has made to cloud controller. Similar to adding a broker, update causes cloud controller to fetch and validate the catalog from a broker, and update the cloud controller database with any changes found in the catalog.
  +Updating a broker to apply changes a broker author has made to cloud controller.
  +Similar to adding a broker, updating causes cloud controller to fetch and validate the catalog from a broker, and update the cloud controller database with any changes found in the catalog.
   
   Update also provides a means to change the basic auth credentials cloud controller should use to authenticate with a broker, as well as the URL controller uses for the location of the broker's API endpoints.
   
  
positive.code: 
  Once you've implemented the [Catalog endpoint](api.html#catalog-mgmt), you'll want to see whether your services and plans are available to end users. Two steps are required:
  
  1. registering your broker with cloud controller
  2. making plans public.
  
  In order to run any of the commands below, you must be authenticated as a cloud controller admin (via the `cf login` or `gcf login` command).
  
  ## <a id='add-broker'></a>Add a Broker ##
  
  Registering a broker causes cloud controller to fetch and validate the catalog from your broker, and save the catalog to cloud controller database. The basic auth username and password which are provided when adding a broker are encrypted in cloud controller database, and used by the cloud controller to authenticate with the broker when making all API calls. Your service broker should validate the username and password sent in every request, otherwise anyone could curl your broker to delete service instances.
  
  With `cf`:
  
  
negative.code: 
  ## <a id='rename-broker'></a>Rename a Broker ##
  
  A service broker can be renamed with the following commands.
  This name is used only by the Cloud Foundry operator to identify brokers, and has no relation to configuration of the broker itself.
  
  With `cf`:
  
  