diff --git a/Variant-NUNCHUK.md b/Variant-NUNCHUK.md
index 594aa75..77eca28 100644
--- a/Variant-NUNCHUK.md
+++ b/Variant-NUNCHUK.md
@@ -1,4 +1,5 @@
-This variant can be used with Wii Nunchuk (not the Wiimote).
+This variant can be used with Wii Nunchuk (not the Wiimote).<br>
+Voltage [Control Mode](https://github.com/EFeru/hoverboard-firmware-hack-FOC#foc-firmware) is used by default for this variant.
 
 ## :electric_plug: Wiring:
 * Connect nunchuk's VCC to 3.3v from programming port or from a voltage regulator, ⚠️ Red wire from sensor cable delivers 15v !!!