Worked on the thingsboard/thingsboard-edge repository, focusing on improving codebase documentation and enhancing comment clarity. Addressed a specific bug by correcting typographical errors such as changing 'resereved' to 'reserved' and refining protobuf comment grammar throughout the code. Emphasized maintainability by making documentation more accessible, which supports faster onboarding for new contributors. Utilized Java and XML to navigate and update the codebase, applying skills in Java development and XML configuration. The work centered on non-functional improvements, prioritizing code quality and readability rather than feature delivery, and contributed to a more maintainable and understandable code environment for future development.