diff --git a/app/router.tsx b/app/router.tsx
index 1e23c2d4..02341006 100644
--- a/app/router.tsx
+++ b/app/router.tsx
@@ -10,6 +10,9 @@ import { QueryClient } from '@tanstack/react-query'
 export function createRouter() {
   const CONVEX_URL =
     (import.meta as any).env.VITE_CONVEX_URL ||
+    // Hardcoded production URL as fallback for local development
+    // Currently set to an instance owned by Convex Devx
+    // TODO: Replace with URL to an instance owned by the TanStack team
     'https://intent-pigeon-358.convex.cloud'
   if (!CONVEX_URL) {
     console.error('missing env var VITE_CONVEX_URL')