Worked on enhancing the aws/credentials-fetcher repository by focusing on documentation reliability and user onboarding. Addressed a key issue by correcting the RPM download URL in the README, ensuring users access the latest mainline release and reducing misconfiguration risks. Improved the clarity and structure of user-facing guides, particularly for CDK-domainless-mode and end-to-end SQL test setup, streamlining the onboarding process and minimizing setup errors. Employed Markdown for all documentation updates, emphasizing clear communication and accurate technical instructions. The work centered on documentation skills, with careful attention to detail and a focus on supporting both new and existing users through improved guidance.