Update README

Author: Joeri Hermans

README.md

@@ -149,7 +149,7 @@ visualize the exported metrics through [Grafana](https://grafana.com):
 
 ## License
 
-Copyright 2017-2020 Victor Penso, Matteo Dessalvi, Joeri Hermans
+Copyright 2017-2020 Victor Penso, Matteo Dessalvi
 
 This is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.