diff --git a/firmware/Instruction-to-flash-firmware.md b/firmware/Instruction-to-flash-firmware.md
index e8aba1d..c241894 100644
--- a/firmware/Instruction-to-flash-firmware.md
+++ b/firmware/Instruction-to-flash-firmware.md
@@ -1,8 +1,8 @@
 # Instruction to flash firmware
 ## 1. For ESP32-S3 based boards 
 Heltec v2, v3, v4, WSL3, Xiao S3, Station G2, Lilygo T3 S3...
-* [More often] To download **.bin** if you already flashed a repeater firmware before and want to KEEP the settings. Do NOT erase device if you want to keep the existing configuration
-* [Seldom] To download **cleanInstall** or **merged.bin** if you want flash a new fresh board
+* [More often] To download **upgrade.bin** if you already flashed a repeater firmware before and want to KEEP the settings. Do NOT erase device if you want to keep the existing configuration
+* [Seldom] To download **cleanInstall** if you want flash a new fresh board
 * Go to Web Flasher: https://flasher.meshcore.co.uk/
 * Select Custom Firmware
 * Click Flash