Update README.md

README.md

@@ -7,14 +7,22 @@ adds License/support status to the inventory
 ### Download
 
 * [Download latest mkp file][PACKAGE]
-                        
----
-### Installation
 
-You can install the package by uploading it to your CheckMK site and as site user run `mkp add inv_checkpoint_support.mkp` and `mkp enable inv_checkpoint_support.mkp`.
+**Note**: before you update to a newer version, alway check the [CHANGELOG](CHANGELOG). There might be incompatible changes.
 
+---                   
+### Installation
 
-In the Enterprise/Free edition of CheckMK you can use the GUI to install the package (_Setup_ -> _Extension Packages_ -> _Upload package_)
+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?
@@ -24,4 +32,4 @@ Nice ;-) Have a look at the [contribution guidelines](CONTRIBUTING.md "Contribut
 ---
 ### Sample output
 
-![sample Check point inventory](/doc/sample.png?raw=true "sample Check Point inventory")
+![sample Check point inventory](/img/sample.png?raw=true "sample Check Point inventory")