Update README.md

README.md

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 # VibrationalAnalysis.jl
 
-This package provides tools to perform [vibrational analysis](https://gaussian.com/vib/) of molecules. It is based on the output of the `QMCFC` molecular dynamics code developed in the [Hofer Lab](https://www.uibk.ac.at/en/aatc/ag-hofer/) of the [University of Innsbruck](https://www.uibk.ac.at/).
+This package provides tools to perform [vibrational analysis](https://gaussian.com/vib/) of molecules. It is based on the output of the QMCFC and [PQ](https://github.com/MolarVerse/PQ) molecular dynamics codes developed of the [University of Innsbruck](https://www.uibk.ac.at/).
 
 ## Installation
 ```julia-repl