During January 2025, Sviatoslav focused on improving the quality and maintainability of the codecov/codecov-cli repository. He addressed two non-functional bugs by correcting spelling errors in both the README documentation and the upload flow code, specifically fixing the terms "guidelines" and "notifications" to enhance clarity and professionalism. His work involved careful code refactoring and updates to Markdown and Python files, ensuring that documentation and test cases accurately reflected intended behaviors. By prioritizing documentation accuracy and test reliability, Sviatoslav contributed to clearer communication and more dependable CI validation, ultimately reducing support overhead and improving the overall developer experience for the project.