diff --git a/libraries/AP_Landing/AP_Landing.cpp b/libraries/AP_Landing/AP_Landing.cpp
index 96b18b963e..6699089ad2 100644
--- a/libraries/AP_Landing/AP_Landing.cpp
+++ b/libraries/AP_Landing/AP_Landing.cpp
@@ -141,7 +141,7 @@ const AP_Param::GroupInfo AP_Landing::var_info[] = {
     // @Param: OPTIONS
     // @DisplayName: Landing options bitmask
     // @Description: Bitmask of options to use with landing.
-    // @Bitmask: 0: honor min throttle during landing flare,1: Increase Target landing airspeed constraint From Trim Airspeed to ARSPD_FBW_MAX
+    // @Bitmask: 0: honor min throttle during landing flare,1: Increase Target landing airspeed constraint From Trim Airspeed to AIRSPEED_MAX
     // @User: Advanced
     AP_GROUPINFO("OPTIONS", 16, AP_Landing, _options, 0),
 
@@ -156,7 +156,7 @@ const AP_Param::GroupInfo AP_Landing::var_info[] = {
 
     // @Param: WIND_COMP
     // @DisplayName: Headwind Compensation when Landing
-    // @Description: This param controls how much headwind compensation is used when landing.  Headwind speed component multiplied by this parameter is added to TECS_LAND_ARSPD command.  Set to Zero to disable.  Note:  The target landing airspeed command is still limited to ARSPD_FBW_MAX.
+    // @Description: This param controls how much headwind compensation is used when landing.  Headwind speed component multiplied by this parameter is added to TECS_LAND_ARSPD command.  Set to Zero to disable.  Note:  The target landing airspeed command is still limited to AIRSPEED_MAX.
     // @Range: 0 100
     // @Units: %
     // @Increment: 1
diff --git a/libraries/AP_Landing/AP_Landing.h b/libraries/AP_Landing/AP_Landing.h
index 5022412d95..3055bf2211 100644
--- a/libraries/AP_Landing/AP_Landing.h
+++ b/libraries/AP_Landing/AP_Landing.h
@@ -61,7 +61,7 @@ public:
     // we support upto 32 boolean bits for users wanting to change landing behaviour.
     enum OptionsMask {
         ON_LANDING_FLARE_USE_THR_MIN                   = (1<<0),   // If set then set trottle to thr_min instead of zero on final flare
-        ON_LANDING_USE_ARSPD_MAX                       = (1<<1),   // If set then allow landing throttle constraint to be increased from trim airspeed to max airspeed (ARSPD_FBW_MAX)
+        ON_LANDING_USE_ARSPD_MAX                       = (1<<1),   // If set then allow landing throttle constraint to be increased from trim airspeed to max airspeed (AIRSPEED_MAX)
     };
 
     void do_land(const AP_Mission::Mission_Command& cmd, const float relative_altitude);