Brian enhanced the phantom/wallet-sdk repository by delivering a targeted documentation update focused on clarifying wallet type guidance within the Embedded Provider section. He revised the README using Markdown, distinguishing between User Wallet and App Wallet to help developers select and integrate the correct wallet solution. This documentation improvement aimed to streamline developer onboarding and reduce support queries related to wallet type selection. Brian demonstrated skills in technical writing, documentation quality, and version-control workflows. While the work was limited in scope, it established a foundation for consistent documentation standards, contributing to more accurate integrations and smoother onboarding for future developers.