update comment on code snippet

Author: edmundhung

src/content/changelog/workers/2025-09-23-wrangler-dev-multi-config-cross-command-support.mdx

@@ -29,7 +29,7 @@ These Workers can now communicate with each other across separate dev commands,
 ```js title="./api/src/index.ts"
 export default {
   async fetch(request, env) {
-    // Call the auth worker using a service binding
+    // This service binding call now works across dev commands
     const authorized = await env.AUTH.isAuthorized(request);
 
     if (!authorized) {