diff --git a/Variant-PPM.md b/Variant-PPM.md
index c60e445..1f9767a 100644
--- a/Variant-PPM.md
+++ b/Variant-PPM.md
@@ -11,7 +11,7 @@ PPM_NUM_CHANNELS is the number of channels for PPM and is 6 by default. As an ex
 * Connect PPM port of your receiver to green wire on right sensor cable(shorter)
 * PPM is highly prone to noise : keep cables short, use 100nf capacitors, use shielded cable, use ferrites, stabilize voltage
 
-⚠ Red wire from sensor cable delivers 15v !!!
+⚠️ Red wire from sensor cable delivers 15v !!!
 Use 3.3v from programming port, 5v from hall sensor cable, or a voltage regulator.
 
 ## Transmitter configuration: