The paper entitled “Fixed Point Certificates for Reachability and Expected Rewards in MDPs” by Tim Quatmann, Maximilian Schäffeler (TU Munich), Maximilian Weininger (ISTA), Tobias Winkler, Daniel Zilken and Krishnendu Chatterjee (ISTA) has been accepted at the 31st International Conference on Tools and Algorithms for the Construction and Analysis of Systems (TACAS 2025), to be held in Hamilton, Canada. This paper introduces novel approaches to certify reachability and expected rewards in MDPs.