Update get in touch link

Author: Alexander Miertsch

README.md

@@ -150,7 +150,7 @@ And if you cannot or don't want to use Docker then provide the needed infrastruc
 
 Event Engine is maintained by the [prooph software team](http://prooph-software.de/). The source code of Event Engine 
 is open sourced along with an API documentation and a getting started demo. Prooph software offers commercial support and workshops
-for Event Engine as well as for the [prooph components](http://getprooph.org/).
+for Event Engine as well as for the [prooph components](http://prooph.de).
 
 If you are interested in this offer or need project support please [get in touch](http://getprooph.org/#get-in-touch).