diff --git a/ArduPlane/Parameters.pde b/ArduPlane/Parameters.pde
index daaf9a389c..591ed85341 100644
--- a/ArduPlane/Parameters.pde
+++ b/ArduPlane/Parameters.pde
@@ -317,7 +317,7 @@ const AP_Param::Info var_info[] PROGMEM = {
 
     // @Param: THR_PASS_STAB
     // @DisplayName: Throttle passthru in stabilize
-    // @Description: If this is set then when in STABILIZE or FBWA mode the throttle is a direct passthru from the transmitter. This means the THR_MIN and THR_MAX settings are not used in these modes. This is useful for petrol engines where you setup a throttle cut switch that suppresses the throttle below the normal minimum.
+    // @Description: If this is set then when in STABILIZE, FBWA or ACRO modes the throttle is a direct passthru from the transmitter. This means the THR_MIN and THR_MAX settings are not used in these modes. This is useful for petrol engines where you setup a throttle cut switch that suppresses the throttle below the normal minimum.
 	// @Values: 0:Disabled,1:Enabled
     // @User: Advanced
     GSCALAR(throttle_passthru_stabilize,"THR_PASS_STAB",   0),
@@ -398,7 +398,7 @@ const AP_Param::Info var_info[] PROGMEM = {
 
     // @Param: FLTMODE1
     // @DisplayName: FlightMode1
-    // @Values: 0:Manual,1:CIRCLE,2:STABILIZE,3:TRAINING,5:FBWA,6:FBWB,10:Auto,11:RTL,12:Loiter,15:Guided
+    // @Values: 0:Manual,1:CIRCLE,2:STABILIZE,3:TRAINING,4:ACRO,5:FBWA,6:FBWB,10:Auto,11:RTL,12:Loiter,15:Guided
     // @User: Standard
     // @Description: Flight mode for switch position 1 (910 to 1230 and above 2049)
     GSCALAR(flight_mode1,           "FLTMODE1",       FLIGHT_MODE_1),
@@ -406,35 +406,35 @@ const AP_Param::Info var_info[] PROGMEM = {
     // @Param: FLTMODE2
     // @DisplayName: FlightMode2
     // @Description: Flight mode for switch position 2 (1231 to 1360)
-    // @Values: 0:Manual,1:CIRCLE,2:STABILIZE,3:TRAINING,5:FBWA,6:FBWB,10:Auto,11:RTL,12:Loiter,15:Guided
+    // @Values: 0:Manual,1:CIRCLE,2:STABILIZE,3:TRAINING,4:ACRO,5:FBWA,6:FBWB,10:Auto,11:RTL,12:Loiter,15:Guided
     // @User: Standard
     GSCALAR(flight_mode2,           "FLTMODE2",       FLIGHT_MODE_2),
 
     // @Param: FLTMODE3
     // @DisplayName: FlightMode3
     // @Description: Flight mode for switch position 3 (1361 to 1490)
-    // @Values: 0:Manual,1:CIRCLE,2:STABILIZE,3:TRAINING,5:FBWA,6:FBWB,10:Auto,11:RTL,12:Loiter,15:Guided
+    // @Values: 0:Manual,1:CIRCLE,2:STABILIZE,3:TRAINING,4:ACRO,5:FBWA,6:FBWB,10:Auto,11:RTL,12:Loiter,15:Guided
     // @User: Standard
     GSCALAR(flight_mode3,           "FLTMODE3",       FLIGHT_MODE_3),
 
     // @Param: FLTMODE4
     // @DisplayName: FlightMode4
     // @Description: Flight mode for switch position 4 (1491 to 1620)
-    // @Values: 0:Manual,1:CIRCLE,2:STABILIZE,3:TRAINING,5:FBWA,6:FBWB,10:Auto,11:RTL,12:Loiter,15:Guided
+    // @Values: 0:Manual,1:CIRCLE,2:STABILIZE,3:TRAINING,4:ACRO,5:FBWA,6:FBWB,10:Auto,11:RTL,12:Loiter,15:Guided
     // @User: Standard
     GSCALAR(flight_mode4,           "FLTMODE4",       FLIGHT_MODE_4),
 
     // @Param: FLTMODE5
     // @DisplayName: FlightMode5
     // @Description: Flight mode for switch position 5 (1621 to 1749)
-    // @Values: 0:Manual,1:CIRCLE,2:STABILIZE,3:TRAINING,5:FBWA,6:FBWB,10:Auto,11:RTL,12:Loiter,15:Guided
+    // @Values: 0:Manual,1:CIRCLE,2:STABILIZE,3:TRAINING,4:ACRO,5:FBWA,6:FBWB,10:Auto,11:RTL,12:Loiter,15:Guided
     // @User: Standard
     GSCALAR(flight_mode5,           "FLTMODE5",       FLIGHT_MODE_5),
 
     // @Param: FLTMODE6
     // @DisplayName: FlightMode6
     // @Description: Flight mode for switch position 6 (1750 to 2049)
-    // @Values: 0:Manual,1:CIRCLE,2:STABILIZE,3:TRAINING,5:FBWA,6:FBWB,10:Auto,11:RTL,12:Loiter,15:Guided
+    // @Values: 0:Manual,1:CIRCLE,2:STABILIZE,3:TRAINING,4:ACRO,5:FBWA,6:FBWB,10:Auto,11:RTL,12:Loiter,15:Guided
     // @User: Standard
     GSCALAR(flight_mode6,           "FLTMODE6",       FLIGHT_MODE_6),