Worked on the apache/datafusion repository to enhance the documentation for the PushDownFilter optimizer, focusing on correcting typos and clarifying the rule’s behavior to support better developer onboarding and understanding. The contribution centered on improving documentation quality and maintainability, with careful attention to changelog readiness and clear commit rationale. Collaborated closely with core maintainers, adhering to established contribution guidelines throughout the process. Utilized Rust and technical writing skills to ensure the documentation accurately reflected the optimizer’s functionality. No new features or bug fixes were introduced during this period, as the primary goal was to improve clarity and usability for future contributors.