Update README.md

README.md

@@ -3,13 +3,15 @@
 **Note: this package is for CheckMK version 2.x. For other versions see the corresponding branch.**
 
 Monitors status of Cisco BGP peers
-
+---
+#### Want to contribute?
+Nice ;-) Have a look at the [contribution guidelines](CONTRIBUTING.md "Contributing")
+---
 **Incompatible changes form the last version (for CMK 1.6.x)**
 - **minuptime: changed from warn to warn/crit**
 - **check output: remove details changed to add details**
 - **perfdata: names changed**
-
-
+---
 Check Info:
 
 * *service*: this check creates one service for each peer/address family  (IPv4 and IPv6)