Worked on curriculum development for the freeCodeCamp/freeCodeCamp repository, focusing on improving the Tic-tac-toe lab by standardizing the winner message format to display explicitly as 'Winner: X' or 'Winner: O'. This change aimed to enhance user understanding and ensure consistency across labs, directly supporting clearer assessment criteria and reducing learner confusion. The work involved UX-focused content editing using Markdown and collaboration through Git-based workflows. By targeting a specific area of the curriculum, the developer demonstrated attention to detail and a methodical approach to curriculum tooling, resulting in improved content quality and a more reliable learning experience for users.