Felix S. Lang focused on improving the developer experience for the nebulastream/nebulastream repository by resolving a documentation rendering issue in the Development Guide. He identified and corrected broken image links caused by incorrect relative asset paths, ensuring that setup instructions and visual references display consistently across different environments. Using Markdown for documentation and leveraging Git-based change management, Felix validated the fix to maintain reliability and traceability. His work enhanced the clarity and accessibility of onboarding materials, reducing confusion for new contributors. The depth of his contribution lay in thorough documentation QA and precise asset path resolution, supporting a more robust documentation workflow.