diff --git a/lib/obp60task/platformio.ini b/lib/obp60task/platformio.ini
index 15387e2..635c985 100644
--- a/lib/obp60task/platformio.ini
+++ b/lib/obp60task/platformio.ini
@@ -46,8 +46,8 @@ build_flags=
     ${env.build_flags}
 #CONFIG_ESP_TASK_WDT_TIMEOUT_S = 10 #Task Watchdog timeout period (seconds) [1...60] 5 default
 upload_port = /dev/ttyACM0
-# debug_tool = esp-usb-bridge       #debug via USB OTG
-# upload_protocol = esp-usb-bridge  #firmware upload via USB OTG
-upload_protocol = esptool         #normal firmware upload, by first upload need to set the ESP32-S3 in the upload mode with shortcut GND to Pin27 
+# debug_tool = esp-usb-bridge       #debug via USB OTG JTAG
+# upload_protocol = esp-usb-bridge  #firmware upload via USB OTG JTAG
+upload_protocol = esptool         #firmware upload via USB OTG seriell, by first upload need to set the ESP32-S3 in the upload mode with shortcut GND to Pin27 
 upload_speed = 230400
 monitor_speed = 115200