Update README.md

README.md

-# Cisco ASA connections  [(Download the MKP package)](/../../../-/raw/master/cisco_asa_connections.mkp "Download MKP package")
+# Cisco ASA connections
 
 Monitors the number of connections on a Cisco ASA firewall and Cisco Firepower Threat Defense devices
 
 **Note: Item changed from *Cisco ASA connections* to *Firewall connections***
 
-**Note: this package is for CheckMK version 2.x. For other versions see the corresponding branch.**
-
-Check Info:
+---
+### Check Info
 
 * *service*: this check creates the service *Cisco ASA connections*
 * *state*: **critical**/**warning** if the number of concurrent connections is outside the configured levels
@@ -15,10 +14,26 @@ Check Info:
     * maximum connections (count)
     * current connections (count)
 
+---
+### Download
+
+* [cisco_asa_connections.mkp (latest version)](https://thl-cmk.hopto.org/gitlab/checkmk/cisco/asa/cisco_asa_connections/-/raw/master/cisco_asa_connections.mkp "Download latest version")
+
+---                   
+### Installation
+
+You can install the package by uploading it to your CheckMK site and as site user run `mkp install cisco_asa_connections.mkp`.
+
+
+In the Enterprise/Free edition of CheckMK you can use the GUI to install the package (_Setup_ -> _Extension Packages_ -> _Upload package_)
+
+---
+### Want to contribute?
 
-**Note:** works with Cisco ASA55xx and later
+Nice ;-) Have a look at the [contribution guidelines](CONTRIBUTING.md "Contributing")
 
-Sample output
+---
+### Sample output
 
 ![sample output](/doc/sample.png?raw=true "sample [SHORT TITLE]")