Fix wrong interface description
Fix wrong interface description

In [1] it response parameters, it is written interface body  string
(Deprecated in v3.2) The geographic location of the service endpoint.
This patch fixes the wrong documentation.

[1] https://docs.openstack.org/api-ref/identity/v3/?expanded=list-endpoints-detail,show-endpoint-details-detail#service-catalog-and-endpoints

Change-Id: I09063dfec1afcd823f5fa190626e8719a202fc28

openstack/keystone,mahak/keystone,mahak/keystone,mahak/keystone,openstack/keystone,openstack/keystone