update deprecated 'tenant_id' argument
diff --git a/keystone/client/service/cinder2.yml b/keystone/client/service/cinder2.yml
index cc150ff..e0e2636 100644
--- a/keystone/client/service/cinder2.yml
+++ b/keystone/client/service/cinder2.yml
@@ -21,10 +21,10 @@
                 public_address: ${_param:cluster_public_host}
                 public_protocol: ${_param:cluster_public_protocol}
                 public_port: 8776
-                public_path: '/v2/$(tenant_id)s'
+                public_path: '/v2/$(project_id)s'
                 internal_address: ${_param:cinder_service_host}
                 internal_port: 8776
-                internal_path: '/v2/$(tenant_id)s'
+                internal_path: '/v2/$(project_id)s'
                 admin_address: ${_param:cinder_service_host}
                 admin_port: 8776
-                admin_path: '/v2/$(tenant_id)s'
+                admin_path: '/v2/$(project_id)s'