diff --git a/xos/synchronizer/Dockerfile.synchronizer b/xos/synchronizer/Dockerfile.synchronizer
index 89c41e1..fafbbb3 100644
--- a/xos/synchronizer/Dockerfile.synchronizer
+++ b/xos/synchronizer/Dockerfile.synchronizer
@@ -13,6 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# docker build -t xosproject/volt-synchronizer:candidate -f Dockerfile.synchronizer .
 
 # xosproject/volt-synchronizer
 
diff --git a/xos/synchronizer/models/volt.xproto b/xos/synchronizer/models/volt.xproto
index 3751e48..f2cb16a 100644
--- a/xos/synchronizer/models/volt.xproto
+++ b/xos/synchronizer/models/volt.xproto
@@ -7,11 +7,9 @@
 
 message VOLTTenant (ServiceInstance){
      option kind = "vOLT";
-     option verbose_name = "vOLT Tenant";
      option owner_class_name = "VOLTService";
+     option verbose_name = "vOLT Service Instance";
 
-     optional int32 s_tag = 1 [help_text = "s-tag", null = True, db_index = False, blank = True];
-     optional int32 c_tag = 2 [help_text = "c-tag", null = True, db_index = False, blank = True];
      optional manytoone creator->User:created_volts = 3 [db_index = True, null = True, blank = True];
 }