Worked on the github/codeql repository to enhance documentation quality and usability over a two-month period. Addressed Sphinx warnings by refining reStructuredText formatting for deprecated CodeQL CLI features, ensuring accurate rendering for Java, Kotlin, and Ruby changelog entries. Improved the documentation index by reorganizing the list of supported languages, placing 'actions' after 'javascript' to create a more logical grouping and streamline navigation for contributors. Focused on maintaining consistency with Sphinx and project documentation conventions, these updates reduced cognitive load for users and improved onboarding. Demonstrated attention to detail in documentation structure, formatting, and cross-language compatibility using rst and Sphinx.