diff --git a/How-to-Unlock-MCU-Flash.md b/How-to-Unlock-MCU-Flash.md
index 556dc3a..e552ab8 100644
--- a/How-to-Unlock-MCU-Flash.md
+++ b/How-to-Unlock-MCU-Flash.md
@@ -32,7 +32,7 @@ If you get funny, unexpected behavior from your board after flashing (see this [
 * Step 3: Click `OK` if you get any error/warning.
 * Step 4: Flash the firmware
 
-You can also try to check WDG_SW in option bytes.
+[Video](https://youtu.be/Ow7Ydd3a66c)
 
 # Method 2: Using Ubuntu/Linux