Worked on the circleci/circleci-docs repository to enhance the Configuration Reference documentation, focusing on clarifying the default checkout method for users configuring their source code checkout process. The update addressed a common source of confusion by specifying that the default method is now 'blobless' rather than 'full', aligning the documentation with actual system behavior. This targeted change aimed to improve user guidance and reduce misconfigurations during onboarding. The work involved technical writing and documentation skills, utilizing AsciiDoc to ensure clarity and accuracy. No bugs were fixed during this period, with efforts concentrated on delivering precise and actionable documentation improvements.