Worked on improving documentation quality and reliability for the apache/druid repository, focusing on targeted bug fixes rather than feature development. Addressed navigation issues in Partitioning.md by correcting an incorrect DimensionsSpec link, ensuring users are directed to the appropriate configuration section and reducing confusion. Additionally, restored the GROUP BY metrics table header in metrics documentation to resolve a Markdown rendering issue, which improved the clarity and consistency of metric information for users. Employed Markdown and Git-based workflows to validate changes, maintain clear commit history, and ensure documentation accuracy, ultimately supporting better onboarding and reducing potential support inquiries for the project.