diff --git a/arch/arm/src/tiva/tiva_periphrdy.h b/arch/arm/src/tiva/tiva_periphrdy.h
index be94c767dec..869d6051d7f 100644
--- a/arch/arm/src/tiva/tiva_periphrdy.h
+++ b/arch/arm/src/tiva/tiva_periphrdy.h
@@ -49,6 +49,7 @@
 /************************************************************************************
  * Pre-processor Definitions
  ************************************************************************************/
+
 /* We determine if a peripheral is ready by testing a bit (b) in system control
  * register (a).
  */
diff --git a/arch/arm/src/tiva/tiva_pwm.h b/arch/arm/src/tiva/tiva_pwm.h
index 5397f930219..976b43c9fe3 100644
--- a/arch/arm/src/tiva/tiva_pwm.h
+++ b/arch/arm/src/tiva/tiva_pwm.h
@@ -1,4 +1,4 @@
-/************************************************************************************
+/****************************************************************************
  * arch/arm/src/tiva/tiva_pwm.h
  *
  *   Copyright (C) 2016 Young Mu. All rights reserved.
@@ -31,14 +31,14 @@
  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  *
- ************************************************************************************/
+ ****************************************************************************/
 
 #ifndef __ARCH_ARM_SRC_TIVA_TIVA_PWM_H
 #define __ARCH_ARM_SRC_TIVA_TIVA_PWM_H
 
-/************************************************************************************
+/****************************************************************************
  * Included Files
- ************************************************************************************/
+ ****************************************************************************/
 
 #include <nuttx/timers/pwm.h>