During July 2025, Roman Mazur focused on improving the reliability and clarity of the matter-labs/zksync-docs repository by addressing documentation issues related to data availability. He identified and fixed a broken link in the data-availability.md file, ensuring it correctly referenced the reconstruction documentation and thereby reducing the risk of user confusion. Roman’s work centered on enhancing documentation accuracy and consistency, which contributed to faster onboarding and fewer support queries. Utilizing Markdown and applying strong documentation practices, he demonstrated careful version control and effective cross-team communication. The depth of his contribution lay in targeted, quality-driven improvements rather than broad feature development.