diff --git a/ROMFS/px4fmu_common/init.d/airframes/13010_claire b/ROMFS/px4fmu_common/init.d/airframes/13010_claire
index c9ef139257..5890fd4a67 100644
--- a/ROMFS/px4fmu_common/init.d/airframes/13010_claire
+++ b/ROMFS/px4fmu_common/init.d/airframes/13010_claire
@@ -14,7 +14,7 @@
 . ${R}etc/init.d/rc.vtol_defaults
 
 
-param set-default PWM_AUX_DISARMED 1000
+param set-default PWM_AUX_DISARM 1000
 param set-default PWM_AUX_MAX 2000
 param set-default PWM_AUX_MIN 1000
 param set-default PWM_AUX_RATE 50
diff --git a/ROMFS/px4fmu_common/init.d/airframes/13013_deltaquad b/ROMFS/px4fmu_common/init.d/airframes/13013_deltaquad
index 01a91748d9..056a7681cb 100644
--- a/ROMFS/px4fmu_common/init.d/airframes/13013_deltaquad
+++ b/ROMFS/px4fmu_common/init.d/airframes/13013_deltaquad
@@ -112,7 +112,7 @@ param set-default MPC_YAWRAUTO_MAX 20
 param set-default NAV_DLL_ACT 0
 param set-default NAV_LOITER_RAD 100
 
-param set-default PWM_AUX_DISARMED 950
+param set-default PWM_AUX_DISARM 950
 
 param set-default PWM_MAIN_DIS5 1500
 param set-default PWM_MAIN_DIS6 1500
diff --git a/ROMFS/px4fmu_common/init.d/airframes/24001_dodeca_cox b/ROMFS/px4fmu_common/init.d/airframes/24001_dodeca_cox
index 37f1a8bc95..37eddc6d7d 100644
--- a/ROMFS/px4fmu_common/init.d/airframes/24001_dodeca_cox
+++ b/ROMFS/px4fmu_common/init.d/airframes/24001_dodeca_cox
@@ -31,7 +31,7 @@ set VEHICLE_TYPE mc
 param set-default NAV_ACC_RAD 2
 
 param set-default PWM_AUX_RATE 400
-param set-default PWM_AUX_DISARMED 900
+param set-default PWM_AUX_DISARM 900
 param set-default PWM_AUX_MIN 1075
 param set-default PWM_AUX_MAX 1950
 
diff --git a/ROMFS/px4fmu_common/init.d/airframes/4040_reaper b/ROMFS/px4fmu_common/init.d/airframes/4040_reaper
index bf6bd46aa6..9d3229bd07 100644
--- a/ROMFS/px4fmu_common/init.d/airframes/4040_reaper
+++ b/ROMFS/px4fmu_common/init.d/airframes/4040_reaper
@@ -33,7 +33,7 @@ param set-default MC_YAW_P 4
 
 param set-default NAV_ACC_RAD 2
 
-param set-default PWM_AUX_DISARMED 950
+param set-default PWM_AUX_DISARM 950
 param set-default PWM_AUX_RATE 50
 param set-default PWM_MAIN_MIN 1100
 param set-default PWM_MAIN_MAX 1900
diff --git a/src/lib/pwm/pwm_aux_params.yaml b/src/lib/pwm/pwm_aux_params.yaml
index bb9d939d7c..a90c29554f 100644
--- a/src/lib/pwm/pwm_aux_params.yaml
+++ b/src/lib/pwm/pwm_aux_params.yaml
@@ -100,7 +100,7 @@ parameters:
                 short: PWM aux ${i} disarmed value
                 long: |
                     This is the PWM pulse the autopilot is outputting if not armed.
-                    When set to -1 the value for PWM_AUX_DISARMED will be used
+                    When set to -1 the value for PWM_AUX_DISARM will be used
             type: int32
             unit: us
             min: -1
diff --git a/src/lib/pwm/pwm_main_params.yaml b/src/lib/pwm/pwm_main_params.yaml
index d17dc69466..f2b7b1010b 100644
--- a/src/lib/pwm/pwm_main_params.yaml
+++ b/src/lib/pwm/pwm_main_params.yaml
@@ -57,7 +57,7 @@ parameters:
                 short: PWM main ${i} minimum value
                 long: |
                     This is the minimum PWM pulse the autopilot is allowed to output.
-                    When set to -1 the value for PWM_MIN will be used
+                    When set to -1 the value for PWM_MAIN_MIN will be used
             type: int32
             unit: us
             min: -1
@@ -71,7 +71,7 @@ parameters:
                 short: PWM main ${i} maximum value
                 long: |
                     This is the maximum PWM pulse the autopilot is allowed to output.
-                    When set to -1 the value for PWM_MAX will be used
+                    When set to -1 the value for PWM_MAIN_MAX will be used
             type: int32
             unit: us
             min: -1
@@ -100,7 +100,7 @@ parameters:
                 short: PWM main ${i} disarmed value
                 long: |
                     This is the PWM pulse the autopilot is outputting if not armed.
-                    When set to -1 the value for PWM_DISARMED will be used
+                    When set to -1 the value for PWM_MAIN_DISARM will be used
             type: int32
             unit: us
             min: -1