During March 2025, Huangdx enhanced the developer experience for the pingcap/pytidb repository by delivering a comprehensive update to the TiDB client documentation. Focusing on advanced filtering, Huangdx rewrote the README in Markdown to clarify operator semantics and provide practical usage examples, including a detailed table covering operators such as $eq, $gt, and $or. This documentation-driven approach aimed to align user expectations with actual API capabilities, reducing onboarding time and potential support queries. The work demonstrated strong technical writing and Git-based collaboration skills, resulting in clearer guidance for self-service querying and improved code documentation practices across the project.