diff --git a/ROMFS/px4fmu_common/init.d/rc.interface b/ROMFS/px4fmu_common/init.d/rc.interface
index 2c3cdb0330..370df73f97 100644
--- a/ROMFS/px4fmu_common/init.d/rc.interface
+++ b/ROMFS/px4fmu_common/init.d/rc.interface
@@ -278,6 +278,8 @@ then
 		pwm disarmed -c 4 -p p:PWM_AUX_DIS4 -d ${OUTPUT_AUX_DEV}
 		pwm disarmed -c 5 -p p:PWM_AUX_DIS5 -d ${OUTPUT_AUX_DEV}
 		pwm disarmed -c 6 -p p:PWM_AUX_DIS6 -d ${OUTPUT_AUX_DEV}
+		pwm disarmed -c 7 -p p:PWM_AUX_DIS7 -d ${OUTPUT_AUX_DEV}
+		pwm disarmed -c 8 -p p:PWM_AUX_DIS8 -d ${OUTPUT_AUX_DEV}
 
 		if [ $FAILSAFE_AUX != none ]
 		then
diff --git a/src/drivers/gps/params.c b/src/drivers/gps/params.c
index ef752381ec..b6377cacb6 100644
--- a/src/drivers/gps/params.c
+++ b/src/drivers/gps/params.c
@@ -85,5 +85,3 @@ PARAM_DEFINE_INT32(GPS_UBX_DYNMODEL, 7);
  * @group GPS
  */
 PARAM_DEFINE_FLOAT(GPS_YAW_OFFSET, 0.f);
-
-
diff --git a/src/modules/sensors/pwm_params_aux.c b/src/modules/sensors/pwm_params_aux.c
index 5bf94d0f2b..fee49c90ee 100644
--- a/src/modules/sensors/pwm_params_aux.c
+++ b/src/modules/sensors/pwm_params_aux.c
@@ -38,6 +38,10 @@
  *
  */
 
+/******************************************************************************
+*                                PWM_AUX_RATE                                 *
+******************************************************************************/
+
 /**
  * Set the PWM output frequency for the auxiliary outputs
  *
@@ -98,8 +102,9 @@ PARAM_DEFINE_INT32(PWM_AUX_MAX, 2000);
 PARAM_DEFINE_INT32(PWM_AUX_DISARMED, 1500);
 
 
-
-
+/******************************************************************************
+*                                 PWM_AUX_DIS                                 *
+******************************************************************************/
 /**
  * Set the disarmed PWM for the auxiliary 1 output
  *
@@ -220,9 +225,9 @@ PARAM_DEFINE_INT32(PWM_AUX_DIS7, -1);
  */
 PARAM_DEFINE_INT32(PWM_AUX_DIS8, -1);
 
-
-
-
+/******************************************************************************
+*                                 PWM_AUX_REV                                 *
+******************************************************************************/
 /**
  * Invert direction of auxiliary output channel 1
  *
@@ -303,8 +308,9 @@ PARAM_DEFINE_INT32(PWM_AUX_REV7, 0);
  */
 PARAM_DEFINE_INT32(PWM_AUX_REV8, 0);
 
-
-
+/******************************************************************************
+*                                PWM_AUX_TRIM                                 *
+******************************************************************************/
 
 /**
  * Trim value for auxiliary output channel 1
@@ -401,6 +407,3 @@ PARAM_DEFINE_FLOAT(PWM_AUX_TRIM7, 0);
  * @group PWM Outputs
  */
 PARAM_DEFINE_FLOAT(PWM_AUX_TRIM8, 0);
-
-
-
diff --git a/src/modules/sensors/pwm_params_main.c b/src/modules/sensors/pwm_params_main.c
index 1ed4520086..4db274f24c 100644
--- a/src/modules/sensors/pwm_params_main.c
+++ b/src/modules/sensors/pwm_params_main.c
@@ -38,6 +38,10 @@
  *
  */
 
+/******************************************************************************
+*                                  PWM_RATE                                   *
+******************************************************************************/
+
 /**
  * Set the PWM output frequency for the main outputs
  *
@@ -97,8 +101,9 @@ PARAM_DEFINE_INT32(PWM_MAX, 2000);
  */
 PARAM_DEFINE_INT32(PWM_DISARMED, 900);
 
-
-
+/******************************************************************************
+*                                PWM_MAIN_DIS                                 *
+******************************************************************************/
 
 /**
  * Set the disarmed PWM for the main 1 output
@@ -220,8 +225,9 @@ PARAM_DEFINE_INT32(PWM_MAIN_DIS7, -1);
  */
 PARAM_DEFINE_INT32(PWM_MAIN_DIS8, -1);
 
-
-
+/******************************************************************************
+*                                PWM_MAIN_REV                                 *
+******************************************************************************/
 
 /**
  * Invert direction of main output channel 1
@@ -303,8 +309,9 @@ PARAM_DEFINE_INT32(PWM_MAIN_REV7, 0);
  */
 PARAM_DEFINE_INT32(PWM_MAIN_REV8, 0);
 
-
-
+/******************************************************************************
+*                                PWM_MAIN_TRIM                                *
+******************************************************************************/
 
 /**
  * Trim value for main output channel 1
@@ -401,6 +408,3 @@ PARAM_DEFINE_FLOAT(PWM_MAIN_TRIM7, 0);
  * @group PWM Outputs
  */
 PARAM_DEFINE_FLOAT(PWM_MAIN_TRIM8, 0);
-
-
-