Jan Vlnas focused on stabilizing API documentation for the MewsSystems/gitbook-connector-api repository during March 2025. He addressed a critical issue by reverting unintended changes in the YAML-based API generator configuration, restoring accurate references for several key types and parameters. Using his expertise in API development and documentation management, Jan ensured that the documentation output remained reliable and aligned with the actual API surface. His work involved careful code review and a precise revert workflow, which prevented further misalignment between the documentation and the codebase. This targeted bug fix improved the integrity and maintainability of the project’s documentation pipeline.