Diederik Muylwyk contributed to the hapifhir/hapi-fhir repository by focusing on improving the accuracy and clarity of API documentation. During the month, he identified and corrected a typo in the changelog example for the IGenericClient rawHttpRequest method, ensuring that the documentation accurately reflected the intended API usage. This targeted fix, implemented using YAML and documentation best practices, helped reduce potential confusion for developers onboarding to the project. While the scope of work was limited to a single bug fix, Diederik’s attention to detail supported release hygiene and maintained the quality of the project’s technical documentation for future contributors.