During October 2025, Lukas Zirpel focused on enhancing the clarity and accuracy of sandbox documentation in the flipperdevices/u-boot repository. He revised reStructuredText (RST) files to correct typographical errors and improve guideline readability, ensuring that onboarding materials were typo-free and easy to follow. By concentrating exclusively on documentation, Lukas maintained the repository’s build and runtime stability, introducing no functional changes. His work leveraged strong documentation skills and attention to detail, resulting in clearer instructions for developers using the sandbox environment. These improvements reduced onboarding time and future maintenance effort, contributing to a more maintainable and accessible codebase for collaborators.