diff --git a/Variant-USART.md b/Variant-USART.md
index eb9a8a2..3c3bfe3 100644
--- a/Variant-USART.md
+++ b/Variant-USART.md
@@ -14,7 +14,7 @@ You can adjust USART2_BAUD or USART3_BAUD parameters if you need different baud
 * Connect blue wire to RX, green wire to TX and black wire to GND of Arduino on right sensor cable(shorter)
 * Only USART3(right sensor cable) is 5v tolerant
 
-⚠ Red wire from sensor cable delivers 15v !!!
+⚠️ Red wire from sensor cable delivers 15v !!!
 
 ## Usart configuration:
 By default, USART is configured with 115200 baud, 8 data bits, no parity, one stop bit.