Update Readme.md

Author: janteuber

Readme.md

@@ -39,7 +39,7 @@ More information can be found [on FATCHIP site](https://www.fatchip.de/Plugins/O
 
 ## Contact
 PAYONE GmbH<br>
-Lyoner Straße 9<br>
+Lyoner Straße 15<br>
 60528 Frankfurt am Main, Germany<br>
 Phone +49 431 25968-400<br>
 sales@payone.com<br>