diff --git a/architecture.html b/architecture.html
index 0ff652c..a3a868f 100644
--- a/architecture.html
+++ b/architecture.html
@@ -120,7 +120,7 @@
   <text x="550" y="96" fill="#f75f5f" font-size="12" font-weight="bold">timerIsr</text>
   <text x="900" y="96" text-anchor="end" fill="#6b7194" font-size="10">hw_timer 0 · 1 MHz · Alarm 10 000 µs</text>
   <text x="550" y="114" fill="#d4d8f0" font-size="10">· ++count; if count==10 → tDecis++ (volatile)</text>
-  <text x="550" y="129" fill="#d4d8f0" font-size="10">· xSemaphoreGiveFromISR(beepSemaphore) + portYIELD_FROM_ISR</text>
+  <text x="550" y="129" fill="#d4d8f0" font-size="10">· vTaskNotifyGiveFromISR(beepTaskHandle) + portYIELD_FROM_ISR</text>
   <text x="550" y="144" fill="#6b7194" font-size="10">  ← gesamte Beep-Logik jetzt in beepTask</text>
 
   <!-- pinLevelChangeIsr -->