diff --git a/Compiling-and-flashing-the-firmware.md b/Compiling-and-flashing-the-firmware.md
index f7ae18f..e167669 100644
--- a/Compiling-and-flashing-the-firmware.md
+++ b/Compiling-and-flashing-the-firmware.md
@@ -97,7 +97,7 @@ If you have set default_envs in [platformio.ini](/platformio.ini) you can ommit
 ### Troubleshooting
 If you cannot flash the firmware:
 - If the LED on the ST-Link is blinking, the driver installation probably didn't go well
-- Make sure you properly soldered the headers/wires, clean contact is mandatory
+- Make sure you properly soldered the headers/wires, good contact is mandatory to maintain proper connection during a few seconds for successfully flashing of the chip
 - Make sure your ST-Link dongle pins are real, by sliding the plastic cover and checking on the ST-Link board itself. An example can be seen [here](https://youtu.be/XWh8yJ_p0HA?t=60)
 - Make sure you properly [unlocked](https://github.com/EFeru/hoverboard-firmware-hack-FOC/wiki/How-to-Unlock-MCU-Flash) the chip
 - Make sure you don't have an already open connection to the chip in another software (st-link utility, ...)