Juan updated the embedding model instantiation documentation in the vercel/ai repository to reflect the Google Vertex AI SDK’s API rename from textEmbedding to textEmbeddingModel. He focused on aligning the documentation with the latest codebase and type definitions, using TypeScript and Markdown to ensure clarity for developers migrating to the new API. His work emphasized documentation tooling and API naming consistency, with careful PR review and self-auditing to maintain accuracy across references and examples. By improving the onboarding experience and reducing support queries, Juan’s contribution addressed user confusion and enabled smoother migrations for teams adopting the updated Vertex AI embedding provider.