fix command flag help message

main.go

@@ -80,13 +80,12 @@ func main() {
 		log.Fatal(err)
 	}
 	defer w.Close()
-
 	l, err := net.Listen("tcp", *host+":"+strconv.Itoa(*port))
 	if err != nil {
 		log.Panicln(err)
 	}
 	log.Println("Listening to connections at '"+*host+"' on port", strconv.Itoa(*port))
-	log.Println("(If you want to run this on a different address or port, the command line flags --host and --port are available to you.)")
+	log.Println("(If you want to run this on a different address or port, the command line flags -host and -port are available to you.)")
 	defer l.Close()
 
 	for {