anchor.diff:  
   To update an existing route mapping with a new weight, do the following:
   
  -1. Get the GUID of the app:
  +1. Run the following command and record the GUID of the app:
   
   	```
   	cf app APP-NAME --guid
   	```
   
   
  -1. Get the GUID of the route:
  +1. Run the following command and record the GUID of the route:
   	
   	```
   	cf curl /v2/routes?q=host:HOSTNAME
  
positive.code: 	```
  	cf curl /v2/routes/ROUTE_GUID/route_mappings
  	``` 
  	Where `ROUTE_GUID` is the GUID you got from the previous step. 
  	
  1. In the output from the previous step, find the route mapping that contains the `app_guid` from when you ran `cf app --guid`. Record the GUID of the route mapping. 
  
  
negative.code: 
  <% end %>
  
  1. Run the following command and record the GUID of your route:
  
  	```
  	cf curl /v2/routes?q=host:HOSTNAME
  	```
  	Where `HOSTNAME` is the hostname you specified when creating the route.
  
  1. Run the following command and record the GUID of the app that you want to map the route to:
  
  	```
  	cf app APP-NAME --guid
  