diff --git a/Variant-USART.md b/Variant-USART.md
index 8d8b0a5..e4aa9ca 100644
--- a/Variant-USART.md
+++ b/Variant-USART.md
@@ -27,7 +27,7 @@ The FOC firmware will discard frames if:
 - Command length is not correct
 - Start frame is not correct
 - Checksum is not correct
-- 1 character inactivity on RX line while receiving the frame ([Idle Line Interrupt](https://github.com/1847123212/STM32_USART_DMA_RX#about-usart))
+- 1 character inactivity on RX line while receiving the frame ([Idle Line Detection](https://github.com/1847123212/STM32_USART_DMA_RX#about-usart))
 
 A timeout will be triggered if no correct frame is received during the time specified with parameter SERIAL_TIMEOUT in config.h (160ms by default).<br />