diff --git a/arduino-sony-minidisc-ir-remote.ino b/arduino-sony-minidisc-ir-remote.ino
index 56de543..bcd1df1 100644
--- a/arduino-sony-minidisc-ir-remote.ino
+++ b/arduino-sony-minidisc-ir-remote.ino
@@ -16,7 +16,7 @@
 
  Circuit:
  * LED attached to pin 13 (optional)
- * IR Transmitter attached to pin 4 (needs 5v)
+ * IR Transmitter attached to pin 4 (connect to 5v or 3v3)
  * SD-Module to load HTML and CSS from SD-card
 
  developed for the ESP32vn IoT Uni board 2024