diff --git a/Control---IBUS.md b/Control---IBUS.md
index 1171523..b7403d2 100644
--- a/Control---IBUS.md
+++ b/Control---IBUS.md
@@ -11,6 +11,7 @@ If the board is beeping
 * Check the number of channels, even if you transmitter only handles 6 channels, you receiver might transmit more channels
 * Make sure you enabled PPM on your transmitter
 * Make sure you are using the sensor cable(left or right) you selected in config.h
+* On some board the wire colors might differ, try the blue wire
 
 ⚠ Red wire from sensor cable delivers 15v !!!
 Use 3.3v from programming port, 5v from hall sensor cable, or a voltage regulator.
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