diff --git a/src/app/u/[username]/page.tsx b/src/app/u/[username]/page.tsx
index e2f2dd718..8fbd9322e 100644
--- a/src/app/u/[username]/page.tsx
+++ b/src/app/u/[username]/page.tsx
@@ -1,3 +1,8 @@
+/**
+ * Public profile page (/u/[username])
+ * Display-only route allowing developers to showcase their coding consistency,
+ * streak metrics, top repos, and achievements. Opt-in via user settings.
+ */
 export const dynamic = "force-dynamic";
 import QrCodeButton from "@/components/QrCodeButton";
 import ProfileThemeWrapper from "@/components/ProfileThemeWrapper";