Update README.md

README.md

@@ -27,4 +27,4 @@ kinetic simulation framework for plasma dynamics and rarefied gas flows.
 ## Links
 - Code: [PICLas-Github](https://github.com/piclas-framework/piclas)
 - Documentation: [PICLas-ReadTheDocs](https://piclas.readthedocs.io/en/latest/)
-- Developed in collaboration between the [Institute of Space Systems at the University of Stuttgart](https://www.irs.uni-stuttgart.de/en/) and the spinoff company [Boltzplatz](https://boltzplatz.eu/)
+- Developed in collaboration between the [Institute of Space Systems at the University of Stuttgart](https://www.irs.uni-stuttgart.de/en/research/space-transport-technology/numerical-modeling-and-simulations/) and the spinoff company [boltzplatz](https://boltzplatz.eu/)