diff --git a/os/hal/ports/AVR/MEGA/LLD/USARTv1/hal_serial_lld.c b/os/hal/ports/AVR/MEGA/LLD/USARTv1/hal_serial_lld.c
index de5143551..d581e2257 100644
--- a/os/hal/ports/AVR/MEGA/LLD/USARTv1/hal_serial_lld.c
+++ b/os/hal/ports/AVR/MEGA/LLD/USARTv1/hal_serial_lld.c
@@ -15,8 +15,8 @@
 */
 
 /**
- * @file    hal_serial_lld.c
- * @brief   AVR low level serial driver code.
+ * @file    USARTv1/hal_serial_lld.c
+ * @brief   AVR/MEGA SERIAL subsystem low level driver code.
  *
  * @addtogroup SERIAL
  * @{
diff --git a/os/hal/ports/AVR/MEGA/LLD/USARTv1/hal_serial_lld.h b/os/hal/ports/AVR/MEGA/LLD/USARTv1/hal_serial_lld.h
index be53a0487..0001fa363 100644
--- a/os/hal/ports/AVR/MEGA/LLD/USARTv1/hal_serial_lld.h
+++ b/os/hal/ports/AVR/MEGA/LLD/USARTv1/hal_serial_lld.h
@@ -15,8 +15,8 @@
 */
 
 /**
- * @file    hal_serial_lld.h
- * @brief   AVR low level serial driver header.
+ * @file    USARTv1/hal_serial_lld.h
+ * @brief   AVR/MEGA SERIAL subsystem low level driver header.
  *
  * @addtogroup SERIAL
  * @{