diff --git a/www/js/ui.js b/www/js/ui.js
index 3e22469..e19d8c5 100644
--- a/www/js/ui.js
+++ b/www/js/ui.js
@@ -103,7 +103,8 @@ const UI = {
             left.appendChild(UI.button("Register", () => { LOAD_STACK(SCENES.Register); }));
             left.appendChild(UI.button("Log In", () => { LOAD_STACK(SCENES.Authenticate); }));
         } else {
-            left.appendChild(UI.button("Start", () => { MESSAGE_SESSION_START(); }));
+            left.appendChild(UI.button("Contest", () => { MESSAGE_SESSION_START(); }));
+            left.appendChild(UI.button("Challenge", () => { }));
         }
 
         for(child of left_children) { left.appendChild(child); }