diff --git a/packages/app/src/components/stories.tsx b/packages/app/src/components/stories.tsx
index 8066932..f9bf18a 100644
--- a/packages/app/src/components/stories.tsx
+++ b/packages/app/src/components/stories.tsx
@@ -962,6 +962,10 @@ export function StoryRuntimeErrorOverlay() {
     <main className="flex flex-col items-center gap-3 m-2">
       <section className="flex flex-col gap-3 w-full max-w-lg border p-3">
         <h2 className="text-xl">Runtime Error Overlay</h2>
+        <span className="text-colorTextSecondary text-sm">
+          This is enabled only for DEV mode (current mode ={" "}
+          {import.meta.env.DEV ? "DEV" : "PROD"})
+        </span>
         <div className="flex gap-3">
           <button
             className="flex-1 antd-btn antd-btn-default"