diff --git a/nuttx-configs/px4fmu-v4/include/board.h b/nuttx-configs/px4fmu-v4/include/board.h
index f882795bb3..531fd66d62 100755
--- a/nuttx-configs/px4fmu-v4/include/board.h
+++ b/nuttx-configs/px4fmu-v4/include/board.h
@@ -284,7 +284,7 @@ extern "C" {
  *
  * Description:
  *   All STM32 architectures must provide the following entry point.  This entry point
- *   is called early in the intitialization -- after all memory has been configured
+ *   is called early in the initialization -- after all memory has been configured
  *   and mapped but before any devices have been initialized.
  *
  ************************************************************************************/
diff --git a/src/drivers/boards/px4fmu-v4/px4fmu_init.c b/src/drivers/boards/px4fmu-v4/px4fmu_init.c
index eb547ca870..2484cf7347 100644
--- a/src/drivers/boards/px4fmu-v4/px4fmu_init.c
+++ b/src/drivers/boards/px4fmu-v4/px4fmu_init.c
@@ -182,7 +182,7 @@ fat_dma_free(FAR void *memory, size_t size)
  *
  * Description:
  *   All STM32 architectures must provide the following entry point.  This entry point
- *   is called early in the intitialization -- after all memory has been configured
+ *   is called early in the initialization -- after all memory has been configured
  *   and mapped but before any devices have been initialized.
  *
  ************************************************************************************/