[CORD-3227] Support for dual-stack ips

Change-Id: Ia01abab7a9818743bce8dcd0f153ba3d9972cb3a
diff --git a/Dockerfile.synchronizer b/Dockerfile.synchronizer
index 067bf7a..e9aedf0 100644
--- a/Dockerfile.synchronizer
+++ b/Dockerfile.synchronizer
@@ -12,7 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# xosproject/vsg-synchronizer
+# xosproject/vsg-hw-synchronizer
+#
+# docker build -t xosproject/vsg-hw-synchronizer:candidate -f Dockerfile.synchronizer .
 
 FROM xosproject/xos-synchronizer-base:2.1.22