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-rw-r--r--testhal/STM32F4xx/UART/main.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/testhal/STM32F4xx/UART/main.c b/testhal/STM32F4xx/UART/main.c
index 5fb4f1c3c..377a75934 100644
--- a/testhal/STM32F4xx/UART/main.c
+++ b/testhal/STM32F4xx/UART/main.c
@@ -125,7 +125,7 @@ int main(void) {
chSysInit();
/*
- * Activates the UART driver 2, PA2 and PA3 are routed to USART2.
+ * Activates the UART driver 2, PA2(TX) and PA3(RX) are routed to USART2.
*/
uartStart(&UARTD2, &uart_cfg_1);
palSetPadMode(GPIOA, 2, PAL_MODE_ALTERNATE(7));