diff --git a/src/InterruptHandler.cpp b/src/InterruptHandler.cpp
index eedf0eb..bc1c8c7 100644
--- a/src/InterruptHandler.cpp
+++ b/src/InterruptHandler.cpp
@@ -98,7 +98,7 @@ void InterruptHandler_PauseReceive()
 }
 
 /**
- * Woken every 10 ms by timerIsr via beepSemaphore.
+ * Woken every 10 ms by timerIsr via task notification.
  * Handles short-beep timing and the PiepPattern state machine,
  * then drives the buzzer supply pin — work that was previously in timerIsr.
  *