diff --git a/arch/arm/src/stm32l4/chip/stm32l4_pwr.h b/arch/arm/src/stm32l4/chip/stm32l4_pwr.h
index 825c7df5e0c..2b81413a793 100644
--- a/arch/arm/src/stm32l4/chip/stm32l4_pwr.h
+++ b/arch/arm/src/stm32l4/chip/stm32l4_pwr.h
@@ -120,7 +120,7 @@
 /* Power control register 2 */
 
 #define PWR_CR2_PVDE             (1 <<  0) /* Bit  0: Power voltage detector enable */
-#define PWR_CR2_PLS_SHIFT        1         
+#define PWR_CR2_PLS_SHIFT        1
 #define PWR_CR2_PLS_MASK         (7 << PWR_CR2_PLS_SHIFT) /* Bits 1-3: Power voltage detector level selection */
 #  define PWR_CR2_PLS_2000mv     (0 << PWR_CR2_PLS_SHIFT) /* 000: VPVD0 around 2.0V */
 #  define PWR_CR2_PLS_2200mv     (1 << PWR_CR2_PLS_SHIFT) /* 001: VPVD1 around 2.2V */
diff --git a/arch/arm/src/stm32l4/stm32l4_pmstandby.c b/arch/arm/src/stm32l4/stm32l4_pmstandby.c
index 2633a8f5ec7..99101ee5280 100644
--- a/arch/arm/src/stm32l4/stm32l4_pmstandby.c
+++ b/arch/arm/src/stm32l4/stm32l4_pmstandby.c
@@ -74,7 +74,7 @@ int stm32l4_pmstandby(void)
 
 #if defined(CONFIG_STM32L4_STM32L4X6) || defined(CONFIG_STM32L4_STM32L4X3)
   /* Clear the Wake-Up Flags by setting the CWUFx bits in the power status
-   * clear register 
+   * clear register
    */
   regval = PWR_SCR_CWUF1 | PWR_SCR_CWUF2 | PWR_SCR_CWUF3 |
            PWR_SCR_CWUF4 | PWR_SCR_CWUF5;