During January 2025, this developer focused on enhancing documentation quality in the zephyrproject-rtos/hal_rpi_pico and ros2/ros2_documentation repositories. Their work involved correcting a Doxygen comment in C for the cancel_alarm function, removing an inaccurate parameter description to improve clarity for future maintainers. In parallel, they revised RST-based documentation for ROS 2 services, eliminating a confusing definition and clarifying service semantics to better reflect actual usage patterns. By addressing two documentation bugs, they contributed to more accurate onboarding materials and reduced ambiguity for developers. Their efforts centered on documentation skills, with a technical emphasis on C and RST languages.