diff --git a/Variant-NUNCHUK.md b/Variant-NUNCHUK.md
index 2d551c6..125c246 100644
--- a/Variant-NUNCHUK.md
+++ b/Variant-NUNCHUK.md
@@ -2,7 +2,7 @@ This variant can be used with Wii Nunchuk (not the Wiimote).
 
 ## Wiring:
 * Connect blue wire to SCL and green wire to SDA on right sensor board cable(shorter)
-* 100k Pull up resistors connected to 3.3v are recommended to prevent the board to go full speed if nunchuk is disconnected
+* ⚠ 100k Pull up resistors connected to 3.3v are recommended to prevent the board to go full speed if nunchuk is disconnected
 
 |SCL|--|3.3v|
 |-|-|-|