diff --git a/Dockerfile b/Dockerfile
index 4f79fab..898eba5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@ FROM alpine:3.11
 
 # standardized labels
 LABEL maintainer="Asif Bacchus <asif@bacchus.cloud>"
-LABEL org.label-schema.cmd="docker run --rm -t -p <ipaddr>:<host port>:5555 --name ab-netcat docker.asifbacchus.app/ab-netcat"
+LABEL org.label-schema.cmd="docker run --rm -t -p [<ipaddr>:]<host port>:5555 [--name ab-netcat] [-e TZ=timezone] docker.asifbacchus.app/ab-netcat"
 LABEL org.label-schema.description="Persistent netcat (BSD) echo server on Alpine Linux"
 LABEL org.label-schema.name="ab-netcat"
 LABEL org.label-schema.schema-version="1.0"