Seongyong contributed to the pmndrs/zustand repository by refining its contribution guidelines, focusing on documentation written in Markdown. During the month, Seongyong removed the outdated build-watch tip from the contribution guide, aligning the documentation with the current build process and reducing confusion for new contributors. This change aimed to streamline onboarding and clarify the steps required for external developers, ultimately supporting more efficient collaboration. The work centered on improving process transparency and documentation quality rather than direct code or bug fixes. Seongyong’s efforts demonstrated attention to developer experience and process improvement, with depth in documentation and contribution workflow skills.