Marcus Lechner enhanced contributor metadata management in the NFDI4Microbiota/nfdi4microbiota-knowledge-base repository by updating the contributors.yaml file to ensure accurate affiliations and contact details. Focusing on configuration and data management, Marcus applied careful YAML editing to improve the integrity of attribution and streamline contributor governance. This work established a more reliable baseline for future updates and onboarding, supporting collaboration across the knowledge base. By prioritizing metadata accuracy and precise commit messaging, Marcus addressed the need for trustworthy contributor information, demonstrating attention to detail and a methodical approach to maintaining data quality within a collaborative research infrastructure.