Zacharias Lumerding focused on improving the accuracy of citation documentation for the CLIMADA-project/climada_python repository. He identified and fixed a bug involving an incorrect DOI link in the citation.rst file, ensuring that users could reliably access the referenced CLIMADA v1 publication. His work centered on documentation quality assurance, using reStructuredText (RST) and version control to trace and validate changes. By running targeted QA on citation references and updating the documentation, Zacharias reduced user confusion for researchers citing CLIMADA. The depth of his contribution lay in meticulous documentation maintenance, which enhanced trust and usability for the scientific user community.