Worked on enhancing project documentation for the hoodong/2025-2-PLC repository, focusing on improving the clarity and accessibility of the 9조.md file. The update aimed to streamline onboarding and facilitate knowledge transfer for new contributors by refining the structure and language of the documentation. Using Markdown as the primary language, the work emphasized clear communication and thorough documentation practices rather than introducing functional changes or new features. No bugs were addressed during this period, and the contribution consisted of a single, targeted commit. The effort demonstrated attention to detail in documentation and a methodical approach to supporting team collaboration.