Correct developer comment

Author: peternewell

Source/Orts.Simulation/Simulation/RollingStocks/MSTSSteamLocomotive.cs

@@ -4653,7 +4653,7 @@ protected override void UpdateTractiveForce(float elapsedClockSeconds, float t,
             // By default this model uses information based upon a "NYC 4-4-2 locomotive", for smaller locomotives this data is changed in the OR initialisation phase.
 
             if (Simulator.UseAdvancedAdhesion && !Simulator.Settings.SimpleControlPhysics && IsPlayerTrain && this.Train.TrainType != Train.TRAINTYPE.AI_PLAYERHOSTING)
-                // only set advanced wheel slip when advanced adhesion, and simplecontrols/physics is not set and is the player locomotive, AI locomotive will not work to this model. 
+                // only set advanced wheel slip when advanced adhesion, and simplecontrols/physics is not set and is in the the player train, AI locomotive will not work to this model. 
                 // Don't use slip model when train is in auto pilot
             {
                 float SlipCutoffPressureAtmPSI;