Worked on improving documentation quality and localization for the huggingface/course repository, focusing on the Chinese language materials. Addressed a specific typo in the zh-CN documentation by correcting a mistranslation in chapter 2, section 8, ensuring that learners receive accurate information. Emphasized precise commit messages and traceability to support contributor onboarding and maintain high documentation standards. Utilized Markdown for editing and maintained alignment with established localization practices to reduce confusion for non-English readers. The work centered on bug fixing rather than feature development, demonstrating attention to detail and a methodical approach to documentation reliability and language localization within open-source workflows.