Update 2025-09-03-agents-sdk-beta-v5.mdx

Author: threepointone

src/content/changelog/agents/2025-09-03-agents-sdk-beta-v5.mdx

@@ -256,7 +256,7 @@ import { useChat } from "@ai-sdk/react";
 
 - [Migration Guide](https://github.com/cloudflare/agents/blob/main/docs/migration-to-ai-sdk-v5.md) - Comprehensive migration documentation
 - [AI SDK v5 Documentation](https://ai-sdk.dev/docs/migration-guides/migration-guide-5-0) - Official AI SDK migration guide
-- Example PR showing the migration from AI SDK v4 to v5: [# TODO with agents starter PR]()
+- [An Example PR showing the migration from AI SDK v4 to v5](https://github.com/cloudflare/agents-starter/pull/105)
 - [GitHub Issues](https://github.com/cloudflare/agents/issues) - Report bugs or request features
 
 ## Feedback Welcome