Martin Zuber enhanced the SAP/jenkins-library repository by refining documentation related to Vault parameter management, specifically clarifying how the vaultDisableOverwrite setting affects secret overwrites. He focused on aligning the documentation with actual runtime behavior, reducing the risk of misconfiguration and minimizing support requests. Using Markdown and leveraging his documentation skills, Martin ensured that the updated guidance accurately reflected the system’s security features, particularly around parameter protection. His work demonstrated careful attention to documentation hygiene and traceability, linking changes to relevant issues and commits. This targeted update improved the clarity and reliability of the documentation for developers working with Vault integration.