During a focused one-month period, contributed to the harvard-edge/cs249r_book repository by improving documentation quality and consistency. Addressed a documentation bug in dnn_architectures.qmd, correcting a typo and ensuring proper file formatting to enhance readability and onboarding for new contributors. Employed Markdown for documentation updates and utilized git for disciplined version control, producing review-ready commits that maintained project stability by avoiding code path changes. Demonstrated attention to detail and adherence to documentation best practices, collaborating effectively with the team to deliver a targeted, low-risk improvement. No new features were introduced, with efforts concentrated solely on documentation refinement and bug resolution.