Worked on the JetBrains/ideavim repository to enhance code quality and maintainability by refining documentation within the VariableService.kt file. Focused on improving documentation comments, correcting typos, and standardizing comment formats to align with established project conventions. This effort, implemented in Kotlin, did not introduce functional changes but aimed to reduce future maintenance risks and streamline onboarding for new contributors. Emphasized code refinement and documentation as core skills, ensuring that the codebase remains accessible and easier to understand for future development. The work contributed to the long-term stability and clarity of a core service file within the ideavim project.