diff --git a/README.md b/README.md
index 24bad02..1320258 100644
--- a/README.md
+++ b/README.md
@@ -4,8 +4,17 @@ Serial Artent Brige compatible with Fader-Wing-Arduino
 
 ## Parameters
 
-`java -jar faderwing.jar [Serial Port] ["broadcast" / unicast ip (ArtNet)] [subnet] [universe] [ip Address]`
+`java -jar faderwing.jar [parameters]`
+
+- `-h` help
+- `-ip` ArtNet IP
+- `-s` Serial Port (int)
+- `-as` ArtNet Subnet
+- `-au` ArtNet Universe
+- `-b` Broad cast
+- `-u` Uni cast
 
 ## Tips
 
-If you use Qlc+ on the same computer as the software, use `127.0.0.255` in the java programm and the `127.0.0.1` input interface in Qlc+.
+If you use Qlc+ on the same computer as the software, use `127.0.0.255` in the java programm and the `127.0.0.1` input
+interface in Qlc+.
diff --git a/src/main/java/org/console/Main.java b/src/main/java/org/console/Main.java
index 92a4c82..c3daab1 100644
--- a/src/main/java/org/console/Main.java
+++ b/src/main/java/org/console/Main.java
@@ -92,12 +92,12 @@ private static void commandLineParameters(String[] args) {
                         .desc("Serial Port (int)")
                         .hasArg(true)
                         .build())
-                .addOption(Option.builder("su")
+                .addOption(Option.builder("as")
                         .longOpt("subnet")
                         .hasArg(true)
                         .build())
-                .addOption(Option.builder("u")
-                        .longOpt("subnet")
+                .addOption(Option.builder("au")
+                        .longOpt("universe")
                         .hasArg(true)
                         .build());
 
@@ -120,10 +120,10 @@ private static void commandLineParameters(String[] args) {
                 serialport = Integer.parseInt(line.getOptionValue("s"));
             }
             if (line.hasOption("su")) {
-                subnet = Integer.parseInt(line.getOptionValue("su"));
+                subnet = Integer.parseInt(line.getOptionValue("as"));
             }
             if (line.hasOption("u")) {
-                universe = Integer.parseInt(line.getOptionValue("u"));
+                universe = Integer.parseInt(line.getOptionValue("au"));
             }
         } catch (ParseException exp) {
             // oops, something went wrong