diff --git a/README.md b/README.md
index c1ca7cd..a5f505c 100644
--- a/README.md
+++ b/README.md
@@ -1,17 +1,25 @@
-# ansible_role_iperf
+ ansible_role_iperf
+====================
 Ansible role to install, run and configure a iperf3 server.
 
-```
-WORK IN PROGRESS
 
-EVERYTHING CAN CHANGE ANY TIME
-```
+ variables
+------------
 
-RTFM
-https://iperf.fr/iperf-doc.php
+| variable | default value | description |
+| -------- | ------------- | ----------- |
+| ``iperf__systemd_enable`` | ``true`` | enable and run or stop and mask the systemd iperf.service |
+| ``iperf__options`` | ``'--server'`` | The option for the iperf3 Server |
+| ``iperf__packages`` | ``iperf3`` | Packages to install by this role |
+| ``iperf__package_state`` | ``present`` | package state. use latest for upgrading installed "{{ iperf__packages }}" |
+| ``iperf__user`` | ``iperf`` | User that will run iperf3 as systemd service |
+| ``iperf__group`` | ``iperf`` | Group for "{{ iperf__user }}" |
+| ``submodules_versioncheck`` | ``false`` | Perform a optional simple versionscheck to prevent running a old version of this role *(recomended)* |
+
+ DOCS
+------
+Have a look at https://iperf.fr/iperf-doc.php for iperf Dokumentation
 
  Testing
 ----------
-This role is tested with [these github-action](https://github.com/search?q=topic%3Acheck-ansible+topic%3Agithub-actions+org%3Aroles-ansible&type=Repositories) tests for different versions of differen linux systems. Linting is tested via travis-ci and the  [ansible-lint action](https://github.com/marketplace/actions/ansible-lint).
-If you want to find out more about our tests, please have a look at the github marketplace.
-
+Linting of this role is tested using github actions. If you know a great way to test systemd stuff via github-actions please leave a note!
diff --git a/defaults/main.yml b/defaults/main.yml
index e78aeff..2f06fba 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -1,7 +1,7 @@
 ---
 # run systemd service with an iperf3 server (Y/n)
 iperf__systemd_enable: true
-iperf__options: '-s'
+iperf__options: '--server'
 
 iperf__packages:
   - iperf3
diff --git a/vars/main.yml b/vars/main.yml
index a7ce796..2ed3889 100644
--- a/vars/main.yml
+++ b/vars/main.yml
@@ -1,4 +1,4 @@
 ---
 # versionscheck
-playbook_version_number: 5   # should be a integer
+playbook_version_number: 6   # should be a integer
 playbook_version_path: 'role-do1jlr.iperf.version'