During December 2025, Jeroen Dijk improved the contributor onboarding process for the zed-industries/codex repository by updating the experimental documentation. He identified and corrected a broken link to the contributing guidelines, ensuring it accurately referenced the contributing.md file. This documentation maintenance, performed using Markdown, clarified external pull request requirements and reduced confusion for new contributors. Jeroen’s work focused on link validation and governance alignment, helping streamline collaboration within the project. While the scope was limited to a single targeted feature, the update enhanced documentation quality and provided clearer standards for community contributions, reflecting careful attention to detail and process improvement.