diff --git a/ArduCopter/Parameters.cpp b/ArduCopter/Parameters.cpp
index 700babe8a0..ae85157f2d 100644
--- a/ArduCopter/Parameters.cpp
+++ b/ArduCopter/Parameters.cpp
@@ -258,42 +258,42 @@ const AP_Param::Info Copter::var_info[] = {
 
     // @Param: FLTMODE1
     // @DisplayName: Flight Mode 1
-    // @Description: Flight mode when Channel 5 pwm is <= 1230
+    // @Description: Flight mode when pwm of Flightmode channel(FLTMODE_CH) is <= 1230
     // @Values: 0:Stabilize,1:Acro,2:AltHold,3:Auto,4:Guided,5:Loiter,6:RTL,7:Circle,9:Land,11:Drift,13:Sport,14:Flip,15:AutoTune,16:PosHold,17:Brake,18:Throw,19:Avoid_ADSB,20:Guided_NoGPS,21:Smart_RTL,22:FlowHold,23:Follow,24:ZigZag,25:SystemID,26:Heli_Autorotate,27:Auto RTL
     // @User: Standard
     GSCALAR(flight_mode1, "FLTMODE1",               (uint8_t)FLIGHT_MODE_1),
 
     // @Param: FLTMODE2
     // @DisplayName: Flight Mode 2
-    // @Description: Flight mode when Channel 5 pwm is >1230, <= 1360
+    // @Description: Flight mode when pwm of Flightmode channel(FLTMODE_CH) is >1230, <= 1360
     // @Values: 0:Stabilize,1:Acro,2:AltHold,3:Auto,4:Guided,5:Loiter,6:RTL,7:Circle,9:Land,11:Drift,13:Sport,14:Flip,15:AutoTune,16:PosHold,17:Brake,18:Throw,19:Avoid_ADSB,20:Guided_NoGPS,21:Smart_RTL,22:FlowHold,23:Follow,24:ZigZag,25:SystemID,26:Heli_Autorotate,27:Auto RTL
     // @User: Standard
     GSCALAR(flight_mode2, "FLTMODE2",               (uint8_t)FLIGHT_MODE_2),
 
     // @Param: FLTMODE3
     // @DisplayName: Flight Mode 3
-    // @Description: Flight mode when Channel 5 pwm is >1360, <= 1490
+    // @Description: Flight mode when pwm of Flightmode channel(FLTMODE_CH) is >1360, <= 1490
     // @Values: 0:Stabilize,1:Acro,2:AltHold,3:Auto,4:Guided,5:Loiter,6:RTL,7:Circle,9:Land,11:Drift,13:Sport,14:Flip,15:AutoTune,16:PosHold,17:Brake,18:Throw,19:Avoid_ADSB,20:Guided_NoGPS,21:Smart_RTL,22:FlowHold,23:Follow,24:ZigZag,25:SystemID,26:Heli_Autorotate,27:Auto RTL
     // @User: Standard
     GSCALAR(flight_mode3, "FLTMODE3",               (uint8_t)FLIGHT_MODE_3),
 
     // @Param: FLTMODE4
     // @DisplayName: Flight Mode 4
-    // @Description: Flight mode when Channel 5 pwm is >1490, <= 1620
+    // @Description: Flight mode when pwm of Flightmode channel(FLTMODE_CH) is >1490, <= 1620
     // @Values: 0:Stabilize,1:Acro,2:AltHold,3:Auto,4:Guided,5:Loiter,6:RTL,7:Circle,9:Land,11:Drift,13:Sport,14:Flip,15:AutoTune,16:PosHold,17:Brake,18:Throw,19:Avoid_ADSB,20:Guided_NoGPS,21:Smart_RTL,22:FlowHold,23:Follow,24:ZigZag,25:SystemID,26:Heli_Autorotate,27:Auto RTL
     // @User: Standard
     GSCALAR(flight_mode4, "FLTMODE4",               (uint8_t)FLIGHT_MODE_4),
 
     // @Param: FLTMODE5
     // @DisplayName: Flight Mode 5
-    // @Description: Flight mode when Channel 5 pwm is >1620, <= 1749
+    // @Description: Flight mode when pwm of Flightmode channel(FLTMODE_CH) is >1620, <= 1749
     // @Values: 0:Stabilize,1:Acro,2:AltHold,3:Auto,4:Guided,5:Loiter,6:RTL,7:Circle,9:Land,11:Drift,13:Sport,14:Flip,15:AutoTune,16:PosHold,17:Brake,18:Throw,19:Avoid_ADSB,20:Guided_NoGPS,21:Smart_RTL,22:FlowHold,23:Follow,24:ZigZag,25:SystemID,26:Heli_Autorotate,27:Auto RTL
     // @User: Standard
     GSCALAR(flight_mode5, "FLTMODE5",               (uint8_t)FLIGHT_MODE_5),
 
     // @Param: FLTMODE6
     // @DisplayName: Flight Mode 6
-    // @Description: Flight mode when Channel 5 pwm is >=1750
+    // @Description: Flight mode when pwm of Flightmode channel(FLTMODE_CH) is >=1750
     // @Values: 0:Stabilize,1:Acro,2:AltHold,3:Auto,4:Guided,5:Loiter,6:RTL,7:Circle,9:Land,11:Drift,13:Sport,14:Flip,15:AutoTune,16:PosHold,17:Brake,18:Throw,19:Avoid_ADSB,20:Guided_NoGPS,21:Smart_RTL,22:FlowHold,23:Follow,24:ZigZag,25:SystemID,26:Heli_Autorotate,27:Auto RTL
     // @User: Standard
     GSCALAR(flight_mode6, "FLTMODE6",               (uint8_t)FLIGHT_MODE_6),