docs: update wrangler error screen changelog

Author: edmundhung

src/content/changelog/workers/2025-08-19-improved-wrangler-error-screen.mdx

@@ -8,10 +8,12 @@ date: 2025-08-19
 
 Wrangler's error screen has received several improvements to enhance your debugging experience!
 
-The error screen now features a refreshed design with support for both light and dark themes, improved source map resolution logic that handles missing source files more reliably, and better error cause display.
+The error screen now features a refreshed design[^1] with support for both light and dark themes, improved source map resolution logic that handles missing source files more reliably, and better error cause display.
 
 | Before | After (Light) | After (Dark) |
 |--------|---------------|--------------|
 | ![Old error screen](../../../assets/images/workers/changelog/old-error-screen.png) | ![New light theme error screen](../../../assets/images/workers/changelog/new-error-screen-light.png) | ![New dark theme error screen](../../../assets/images/workers/changelog/new-error-screen-dark.png) |
 
 Try it out now with `npx wrangler@latest dev` in your Workers project.
+
+[^1]: Thanks to [Youch](https://github.com/poppinss/youch) for the new design.