Anton Seoane Ampudia updated documentation for the openjdk/leyden repository to ensure compatibility following the NetBeans Platform 27 upgrade. He focused on clarifying JDK version requirements for the IdealGraphVisualizer tool, revising the README.md to specify the supported JDK range. Using Markdown and leveraging his documentation skills, Anton aligned project materials with recent platform changes, improving onboarding and reducing ambiguity for future contributors. While no bugs were fixed during this period, his work addressed the need for accurate technical communication and project reliability. The depth of his contribution lay in maintaining consistency and clarity as the underlying platform evolved.