Gavin McBain contributed to the snakemake/snakemake repository by improving the clarity of its documentation, focusing on in-code examples written in reStructuredText (rst). He identified and corrected a doubled closing parenthesis in a command formatting example, which previously risked confusing users and complicating onboarding. His disciplined approach involved careful code review and precise editing to ensure the documentation accurately reflected intended usage. Using Git for version control, Gavin made the change traceable and easy to audit. This work, while limited in scope, demonstrated attention to detail in documentation practices and contributed to reducing potential support inquiries for the project.