diff --git a/cores/arduino/stm32/OpenAMP/openamp.c b/cores/arduino/stm32/OpenAMP/openamp.c
index 351026d7ad..8055a552d6 100644
--- a/cores/arduino/stm32/OpenAMP/openamp.c
+++ b/cores/arduino/stm32/OpenAMP/openamp.c
@@ -119,7 +119,7 @@ int OPENAMP_Init()
 
   MAILBOX_Init();
 
-  /* Libmetal Initilalization */
+  /* Libmetal Initialization */
   status = OPENAMP_shmem_init(RPMSG_REMOTE);
   if (status) {
     return status;
diff --git a/cores/arduino/stm32/backup.h b/cores/arduino/stm32/backup.h
index 6f422e19b7..63cf7bb22d 100644
--- a/cores/arduino/stm32/backup.h
+++ b/cores/arduino/stm32/backup.h
@@ -95,7 +95,7 @@ static inline void disableBackupDomain(void)
   HAL_PWR_DisableBkUpAccess();
 #endif
 #ifdef __HAL_RCC_BKPSRAM_CLK_DISABLE
-  /* Disnable BKPSRAM CLK for backup SRAM */
+  /* Disable BKPSRAM CLK for backup SRAM */
   __HAL_RCC_BKPSRAM_CLK_DISABLE();
 #endif
 #ifdef __HAL_RCC_BKP_CLK_DISABLE