couchbase-cli: not enough params to edit Cluster Name in xdcr-setup

to edit xdcr-setup we need to know 'previous' Cluster Name and provide 'new' values for
password
username
hostname
name

see example of response:

Request URL:http://10.3.4.144:8091/pools/default/remoteClusters/10.3.4.145a
Request Method:POST
Status Code:200 OK
Request Headersview source
Accept:application/json, text/javascript, /; q=0.01
Accept-Encoding:gzip,deflate,sdch
Accept-Language:en-US,en;q=0.8
Cache-Control:no-cache
Connection:keep-alive
Content-Length:83
Content-Type:application/x-www-form-urlencoded
Cookie:ui-auth-10.3.4.144%3A8091=ea2af22e87dc69ede7910eb8c19e1711
Host:10.3.4.144:8091
invalid-auth-response:on
Origin:http://10.3.4.144:8091
Pragma:no-cache
Referer:http://10.3.4.144:8091/index.html
User-Agent:Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/28.0.1500.95 Safari/537.36
X-Requested-With:XMLHttpRequest
Form Dataview sourceview URL encoded
password:password
username:Administrator
hostname:10.3.4.145:8091
name:10.3.4.145
Response Headersview source
Cache-Control:no-cache
Content-Length:257
Content-Type:application/json
Date:Fri, 23 Aug 2013 13:23:30 GMT
Pragma:no-cache
Server:Couchbase Server 2.2.0-809-rel-enterprise

i can't change cluster-name using only the following params:
xdcr-setup OPTIONS:
--create create a new xdcr configuration
--edit modify existed xdcr configuration
--delete delete existed xdcr configuration
--xdcr-cluster-name=CLUSTERNAME cluster name
--xdcr-hostname=HOSTNAME remote host name to connect to
--xdcr-username=USERNAME remote cluster admin username
--xdcr-password=PASSWORD remote cluster admin password