diff --git a/Update-firmware.md b/Update-firmware.md
index 8eae1e0..95e5255 100644
--- a/Update-firmware.md
+++ b/Update-firmware.md
@@ -17,7 +17,7 @@ Get the latest firmware from the [![GitHub release (latest by date)](https://img
 
 1. Connect the device via USB
 2. Switch to HackRF mode via the on-screen option (in the PortaPack)
-3. Upload the firmware with `hackrf_spiflash -w new_firmware_file.bin` 
+3. Upload the firmware with `hackrf_spiflash -w new_firmware_file.bin` (eg. portapack-h1_h2-mayhem.bin for mayhem firmware or hackrf_one_usb.bin for stock hackrf firmware)
 4. Reboot the device
 
 ### MacOS