diff --git a/libraries/AP_HAL/examples/UART_chargen/UART_chargen.cpp b/libraries/AP_HAL/examples/UART_chargen/UART_chargen.cpp
index 328da1698f..7a94258ab1 100644
--- a/libraries/AP_HAL/examples/UART_chargen/UART_chargen.cpp
+++ b/libraries/AP_HAL/examples/UART_chargen/UART_chargen.cpp
@@ -38,7 +38,7 @@ uint16_t buflen = 0;
 
 void setup(void)
 {
-    hal.scheduler->delay(1000); //Ensure that the uartA can be initialized
+    hal.scheduler->delay(1000); //Ensure that hal.serial(n) can be initialized
 
 #if CONFIG_HAL_BOARD == HAL_BOARD_LINUX
     uart = hal.serial(0);  //  console
diff --git a/libraries/AP_HAL/examples/UART_test/UART_test.cpp b/libraries/AP_HAL/examples/UART_test/UART_test.cpp
index 1af94cb3bd..1dd5d5ed01 100644
--- a/libraries/AP_HAL/examples/UART_test/UART_test.cpp
+++ b/libraries/AP_HAL/examples/UART_test/UART_test.cpp
@@ -30,7 +30,7 @@ void setup(void)
       start all UARTs at 57600 with default buffer sizes
     */
 
-    hal.scheduler->delay(1000); //Ensure that the uartA can be initialized
+    hal.scheduler->delay(1000); //Ensure that hal.serial(n) can be initialized
 
     setup_uart(hal.serial(0), "SERIAL0");  // console
     setup_uart(hal.serial(1), "SERIAL1");  // telemetry 1