diff --git a/Moose Development/Moose/Ops/Auftrag.lua b/Moose Development/Moose/Ops/Auftrag.lua
index 7a952cba8..f285e461d 100644
--- a/Moose Development/Moose/Ops/Auftrag.lua	
+++ b/Moose Development/Moose/Ops/Auftrag.lua	
@@ -688,7 +688,7 @@ end
 -- @param #number Speed Orbit speed in knots. Default 350 kts.
 -- @param #number Heading Heading of race-track pattern in degrees. Default 270 (East to West).
 -- @param #number Leg Length of race-track in NM. Default 10 NM.
--- @param #number RefuelSystem Refueling system (0=boom, 1=probe). This info is *only* for AIRWINGs so they launch the right tanker type.
+-- @param #number RefuelSystem Refueling system (1=boom, 0=probe). This info is *only* for AIRWINGs so they launch the right tanker type.
 -- @return #AUFTRAG self
 function AUFTRAG:NewTANKER(Coordinate, Altitude, Speed, Heading, Leg, RefuelSystem)