Worked on the ethereum/execution-specs repository to enhance the accuracy of network upgrade documentation by addressing redundancy in the upgrade history table. Focused on improving documentation integrity, the developer identified and removed a duplicate entry for the Cancun upgrade in the README.md file. This targeted Markdown patch ensured that the upgrade history remains clear and reliable for both developers and auditors, supporting effective network upgrade planning. The work demonstrated attention to detail in documentation practices and adherence to project standards, utilizing skills in documentation management and version control to maintain high-quality, non-redundant historical records within the project’s technical documentation.