diff --git a/install-firmware.md b/install-firmware.md
index 50f5be1..b609b7e 100644
--- a/install-firmware.md
+++ b/install-firmware.md
@@ -1 +1 @@
-(base) ton@xeon:~/Downloads/esptool-linux-amd64$ ./esptool   --chip auto -p /dev/ttyCH341USB0 -b 460800 --before=default_reset --after=hard_reset write_flash --flash_mode dio --flash_freq 40m --flash_size 2MB 0x0000 KCS_KC868_A16_V2.1.9.bin 
+`(base) ton@xeon:~/Downloads/esptool-linux-amd64$ ./esptool   --chip auto -p /dev/ttyCH341USB0 -b 460800 --before=default_reset --after=hard_reset write_flash --flash_mode dio --flash_freq 40m --flash_size 2MB 0x0000 KCS_KC868_A16_V2.1.9.bin `