Worked on the cp2k/cp2k repository to enhance the clarity of input parameter documentation, specifically focusing on scaling parameters used in scientific computing workflows. Applied expertise in Fortran and numerical methods to revise the input_cp2k_xc.F file, ensuring that descriptions explicitly state zero values do not trigger automatic parameter determination. This update aligned with community guidance and improved traceability through well-documented commits, facilitating more effective code reviews. The changes reduced user misconfigurations and support requests, making it easier for users to understand and reliably configure scaling and dispersion parameters. The work demonstrated careful attention to user experience and technical accuracy.