Update README.md

README.md

@@ -10,18 +10,28 @@ This is a rewrite of the original CMK dell_powerconnect_psu check for CMK 2.1.
 
 ---
 ### Download
-* [dell_powerconnect_psu.mkp](https://thl-cmk.hopto.org/gitlab/checkmk/dell/dell_powerconnect_psu/-/raw/master/dell_powerconnect_psu.mkp "Download the MKP file")
-                        
----
-### Installation
 
-You can install the package by uploading it to your CheckMK site and as site user run `mkp install dell_powerconnect_psu.mkp`.
+* [Download latest mkp file][PACKAGE]
 
+**Note**: before you update to a newer version, always check the [CHANGELOG](CHANGELOG). There might be incompatible changes.
 
-In the Enterprise/Free edition of CheckMK you can use the GUI to install the package (_Setup_ -> _Extension Packages_ -> _Upload package_)
+---                   
+### Installation
+
+You can install the package by uploading it to your CheckMK site and as site user run 
+```
+mkp install PACKAGENAME-VERSION.mkp
+```
+or beginning with CMK2.2.x
+```
+mkp add PACKAGENAME-VERSION.mkp
+mkp enable PACKAGENAME VERSION
+```
+In the non RAW editions of CheckMK you can use the GUI to install the package (_Setup_ -> _Extension Packages_ -> _Upload package_)
 
 ---
-### Want to Contribute?
+### Want to contribute?
+
 Nice ;-) Have a look at the [contribution guidelines](CONTRIBUTING.md "Contributing")
 
 ---
@@ -67,5 +77,5 @@ There is no discovery rule.
 
 Sample output
 
-![sample output](/doc/sample.png?raw=true "sample output")
+![sample output](img/sample.png?raw=true "sample output")