During the month, this developer focused on improving accessibility documentation within the mui/base-ui repository. They addressed a documentation bug by updating outdated color contrast references to align with current WCAG accessibility standards and best practices. Their work involved careful review and revision of Markdown files to ensure that guidance on color contrast met modern compliance requirements. Leveraging skills in accessibility, documentation, and web development, they enhanced the clarity and accuracy of technical resources for other developers. Although no new features were introduced, their targeted contribution improved the reliability of documentation, supporting better accessibility outcomes for users and maintainers of the project.