Change Labels for Webui

src/activities/ActivityManager.h

@@ -60,7 +60,7 @@ class ActivityManager {
 
   // Whether to trigger a render after the current loop()
   // This variable must only be set by the main loop, to avoid race conditions
-  bool requestedUpdate = false;
+  volatile bool requestedUpdate = false;
 
   // When true, input events are consumed (discarded) until all buttons are released
   // and no press/release events remain.  Armed automatically on activity transitions