diff --git a/public/index.html b/public/index.html
index 997ac07..836a4f2 100644
--- a/public/index.html
+++ b/public/index.html
@@ -1129,7 +1129,7 @@ document.addEventListener('DOMContentLoaded', () => {
 
   // ── Viewer tabs ──
   document.querySelectorAll('#vnav .nav-btn').forEach((btn, i) => {
-    const tabs = ['cards', 'cheat', 'guide'];
+    const tabs = ['cards', 'cheat', 'guide', 'credits'];
     btn.addEventListener('click', () => switchTab(tabs[i]));
   });