diff --git a/libraries/AP_LandingGear/AP_LandingGear.cpp b/libraries/AP_LandingGear/AP_LandingGear.cpp
index e450c756db..e73c5bad7b 100644
--- a/libraries/AP_LandingGear/AP_LandingGear.cpp
+++ b/libraries/AP_LandingGear/AP_LandingGear.cpp
@@ -12,7 +12,7 @@ const AP_Param::GroupInfo AP_LandingGear::var_info[] = {
     // @DisplayName: Landing Gear Servo Retracted PWM Value
     // @Description: Servo PWM value when landing gear is retracted
     // @Range: 1000 2000
-    // @Units: pwm
+    // @Units: PWM
     // @Increment: 1
     // @User: Standard
     AP_GROUPINFO("SERVO_RTRACT", 0, AP_LandingGear, _servo_retract_pwm, AP_LANDINGGEAR_SERVO_RETRACT_PWM_DEFAULT),
@@ -21,7 +21,7 @@ const AP_Param::GroupInfo AP_LandingGear::var_info[] = {
     // @DisplayName: Landing Gear Servo Deployed PWM Value
     // @Description: Servo PWM value when landing gear is deployed
     // @Range: 1000 2000
-    // @Units: pwm
+    // @Units: PWM
     // @Increment: 1
     // @User: Standard
     AP_GROUPINFO("SERVO_DEPLOY", 1, AP_LandingGear, _servo_deploy_pwm, AP_LANDINGGEAR_SERVO_DEPLOY_PWM_DEFAULT),