diff --git a/src/drivers/px4fmu/px4fmu_params.c b/src/drivers/px4fmu/px4fmu_params.c
index 53328fe7d5..06727080aa 100644
--- a/src/drivers/px4fmu/px4fmu_params.c
+++ b/src/drivers/px4fmu/px4fmu_params.c
@@ -48,12 +48,7 @@
  * Set to 1 to invert the channel, 0 for default direction.
  *
  * @reboot_required true
- *
- * @unit enum
- * @value 0 default
- * @value 1 invert
- * @min 0
- * @max 1
+ * @unit boolean
  * @group PWM Outputs
  */
 PARAM_DEFINE_INT32(PWM_AUX_REV1, 0);
@@ -64,12 +59,7 @@ PARAM_DEFINE_INT32(PWM_AUX_REV1, 0);
  * Set to 1 to invert the channel, 0 for default direction.
  *
  * @reboot_required true
- *
- * @unit enum
- * @value 0 default
- * @value 1 invert
- * @min 0
- * @max 1
+ * @unit boolean
  * @group PWM Outputs
  */
 PARAM_DEFINE_INT32(PWM_AUX_REV2, 0);
@@ -80,12 +70,7 @@ PARAM_DEFINE_INT32(PWM_AUX_REV2, 0);
  * Set to 1 to invert the channel, 0 for default direction.
  *
  * @reboot_required true
- *
- * @unit enum
- * @value 0 default
- * @value 1 invert
- * @min 0
- * @max 1
+ * @unit boolean
  * @group PWM Outputs
  */
 PARAM_DEFINE_INT32(PWM_AUX_REV3, 0);
@@ -96,12 +81,7 @@ PARAM_DEFINE_INT32(PWM_AUX_REV3, 0);
  * Set to 1 to invert the channel, 0 for default direction.
  *
  * @reboot_required true
- *
- * @unit enum
- * @value 0 default
- * @value 1 invert
- * @min 0
- * @max 1
+ * @unit boolean
  * @group PWM Outputs
  */
 PARAM_DEFINE_INT32(PWM_AUX_REV4, 0);
@@ -112,12 +92,7 @@ PARAM_DEFINE_INT32(PWM_AUX_REV4, 0);
  * Set to 1 to invert the channel, 0 for default direction.
  *
  * @reboot_required true
- *
- * @unit enum
- * @value 0 default
- * @value 1 invert
- * @min 0
- * @max 1
+ * @unit boolean
  * @group PWM Outputs
  */
 PARAM_DEFINE_INT32(PWM_AUX_REV5, 0);
@@ -128,12 +103,7 @@ PARAM_DEFINE_INT32(PWM_AUX_REV5, 0);
  * Set to 1 to invert the channel, 0 for default direction.
  *
  * @reboot_required true
- *
- * @unit enum
- * @value 0 default
- * @value 1 invert
- * @min 0
- * @max 1
+ * @unit boolean
  * @group PWM Outputs
  */
 PARAM_DEFINE_INT32(PWM_AUX_REV6, 0);