Fix some spellings.

OpenRA.Mods.Common/Traits/Buildings/Exit.cs

@@ -20,7 +20,7 @@ namespace OpenRA.Mods.Common.Traits
 		[Desc("Offset at which that the exiting actor is spawned relative to the center of the producing actor.")]
 		public readonly WVec SpawnOffset = WVec.Zero;
 
-		[Desc("Cell offset where the exiting actor enters the ActorMap relative to the topleft cell of the producting actor.")]
+		[Desc("Cell offset where the exiting actor enters the ActorMap relative to the topleft cell of the producing actor.")]
 		public readonly CVec ExitCell = CVec.Zero;
 		public readonly int Facing = -1;
 

OpenRA.Mods.Common/Traits/Buildings/RepairableBuilding.cs

@@ -31,7 +31,7 @@ namespace OpenRA.Mods.Common.Traits
 		[Desc("Overrides the IndicatorPalettePrefix.")]
 		[PaletteReference] public readonly string IndicatorPalette = "";
 
-		[Desc("Suffixed by the interal repairing player name.")]
+		[Desc("Suffixed by the internal repairing player name.")]
 		public readonly string IndicatorPalettePrefix = "player";
 
 		public override object Create(ActorInitializer init) { return new RepairableBuilding(init.Self, this); }

OpenRA.Mods.Common/Traits/Buildings/Reservable.cs

@@ -36,7 +36,7 @@ namespace OpenRA.Mods.Common.Traits
 			reservedFor = forActor;
 			reservedForAircraft = forAircraft;
 
-			// NOTE: we really dont care about the GC eating DisposableActions that apply to a world *other* than
+			// NOTE: we really don't care about the GC eating DisposableActions that apply to a world *other* than
 			// the one we're playing in.
 			return new DisposableAction(
 				() => { reservedFor = null; reservedForAircraft = null; },