Charles Dolan focused on quality assurance for the hpde/NASA repository during February 2025, addressing a bug related to BibTeX link formatting in PT1H.xml. He implemented a targeted whitespace adjustment using XML and Git, ensuring that BibTeX links were correctly validated without introducing functional changes. This approach enhanced regression test coverage and improved the reliability of test data, supporting early detection of formatting regressions before new features are deployed. By documenting his intentions clearly in commit messages, Charles contributed to better traceability and maintainability. His work demonstrated careful attention to build stability and non-disruptive improvements in the codebase.