Update README.md

README.md

-# STP topology change [(Download the MKP package)](/../../../-/raw/master/stp_topo_change.mkp "Download MKP package")
+# STP topology change
 
 Monitors status of STP topology change
 
-This is a rewrite for CMK 2.0 based on the check "Cisco Spanning-Tree Topology Change" (cisco_stptopo) by Udo Woehler (check-mk at bsw-com.de).
+This is a rewrite for CMK 2.x based on the check **Cisco Spanning-Tree Topology Change** (cisco_stptopo) by Udo Woehler (check-mk[at]bsw-com[dot]de).
 
 ---
-Check Info:
+### Check Info
 
 * *service*: creates the service **STP topology change**
----
+
 * *state*: \
     **critical**/**warning**: 
     * if there are tree or more STP topology changes in the configured interval (see WATO)\
----
+
 * *wato*: [(see WATO options)](doc/wato.png "see sample screenshot")
----
+
 * *perfdata (if avilable)*: 
     * STP topology change (s)
     * STP topology changes (count)
+
+---
+### Download
+
+* [stp_topo_change.mkp (latest version)](https://thl-cmk.hopto.org/gitlab/checkmk/vendor-independent/stp_topo_change/-/raw/master/stp_topo_change.mkp "Download latest version")
+
+---                   
+### Installation
+
+You can install the package by uploading it to your CheckMK site and as site user run `mkp install stp_topo_change.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?
+### Want to contribute?
+
 Nice ;-) Have a look at the [contribution guidelines](CONTRIBUTING.md "Contributing")
+
 ---
-Sample output
+### Sample output
 
 ![sample output](doc/sample.png?raw=true "sample output")