Worked on improving documentation quality in the NixOS/nix repository by addressing a specific issue in the string contexts documentation. The primary contribution involved correcting a typographical error in the reference to a builtin function name, ensuring that the documentation accurately reflected the actual implementation. This Markdown-based update reduced potential confusion for users and helped decrease support queries by aligning documentation with code behavior. The work focused exclusively on documentation, leveraging skills in technical writing and attention to detail. No new features were added, but the change contributed to more efficient onboarding and support by maintaining high standards in project documentation.