diff --git a/OpenRA.Game/Exts.cs b/OpenRA.Game/Exts.cs
index 576c909ac4..b579585250 100644
--- a/OpenRA.Game/Exts.cs
+++ b/OpenRA.Game/Exts.cs
@@ -107,7 +107,7 @@ namespace OpenRA
 			//  - the triangles ACD and BCD must have opposite sense (clockwise or anticlockwise)
 			//  - the triangles CAB and DAB must have opposite sense
 			// Segments intersect if the orientation (clockwise or anticlockwise) of the two points in each line segment are opposite with respect to the other
-			// Assumes that lines are not colinear
+			// Assumes that lines are not collinear
 			return WindingDirectionTest(c, d, a) != WindingDirectionTest(c, d, b) && WindingDirectionTest(a, b, c) != WindingDirectionTest(a, b, d);
 		}
 
diff --git a/OpenRA.Game/Graphics/Viewport.cs b/OpenRA.Game/Graphics/Viewport.cs
index 63511afb70..26ce117baf 100644
--- a/OpenRA.Game/Graphics/Viewport.cs
+++ b/OpenRA.Game/Graphics/Viewport.cs
@@ -238,7 +238,7 @@ namespace OpenRA.Graphics
 
 			if (unlockMinZoom)
 			{
-				// Specators and the map editor support zooming out by an extra factor of two.
+				// Spectators and the map editor support zooming out by an extra factor of two.
 				// TODO: Allow zooming out until the full map is visible
 				// We need to improve our viewport scroll handling to center the map as we zoom out
 				// before this will work well enough to enable
diff --git a/OpenRA.Game/Map/MapCache.cs b/OpenRA.Game/Map/MapCache.cs
index f85b17fd90..c6f41ebabf 100644
--- a/OpenRA.Game/Map/MapCache.cs
+++ b/OpenRA.Game/Map/MapCache.cs
@@ -68,7 +68,7 @@ namespace OpenRA
 
 				try
 				{
-					// HACK: If the path is inside the the support directory then we may need to create it
+					// HACK: If the path is inside the support directory then we may need to create it
 					// Assume that the path is a directory if there is not an existing file with the same name
 					var resolved = Platform.ResolvePath(name);
 					if (resolved.StartsWith(Platform.SupportDir) && !File.Exists(resolved))
diff --git a/OpenRA.Game/Map/MapGrid.cs b/OpenRA.Game/Map/MapGrid.cs
index 113771b77c..45409b6a39 100644
--- a/OpenRA.Game/Map/MapGrid.cs
+++ b/OpenRA.Game/Map/MapGrid.cs
@@ -72,7 +72,7 @@ namespace OpenRA
 			else
 				Polygons = new[] { Corners };
 
-			// Initial value must be asigned before HeightOffset can be called
+			// Initial value must be assigned before HeightOffset can be called
 			CenterHeightOffset = 0;
 			CenterHeightOffset = HeightOffset(0, 0);
 		}
diff --git a/OpenRA.Game/Primitives/LongBitSet.cs b/OpenRA.Game/Primitives/LongBitSet.cs
index c7b9d04af5..f51e70a449 100644
--- a/OpenRA.Game/Primitives/LongBitSet.cs
+++ b/OpenRA.Game/Primitives/LongBitSet.cs
@@ -91,7 +91,7 @@ namespace OpenRA.Primitives
 		public static long Mask => allBits;
 	}
 
-	// Opitmized BitSet to be used only when guaranteed to be no more than 64 values.
+	// Optimized BitSet to be used only when guaranteed to be no more than 64 values.
 	public readonly struct LongBitSet<T> : IEnumerable<string>, IEquatable<LongBitSet<T>> where T : class
 	{
 		readonly long bits;
diff --git a/OpenRA.Game/Settings.cs b/OpenRA.Game/Settings.cs
index e128ba9237..c7bfec7814 100644
--- a/OpenRA.Game/Settings.cs
+++ b/OpenRA.Game/Settings.cs
@@ -118,7 +118,7 @@ namespace OpenRA
 		[Desc("Display a graph with various profiling traces")]
 		public bool PerfGraph = false;
 
-		[Desc("Numer of samples to average over when calculating tick and render times.")]
+		[Desc("Number of samples to average over when calculating tick and render times.")]
 		public int Samples = 25;
 
 		[Desc("Check whether a newer version is available online.")]
diff --git a/OpenRA.Game/Support/VariableExpression.cs b/OpenRA.Game/Support/VariableExpression.cs
index 0639a1949f..76b540f102 100644
--- a/OpenRA.Game/Support/VariableExpression.cs
+++ b/OpenRA.Game/Support/VariableExpression.cs
@@ -625,7 +625,7 @@ namespace OpenRA.Support
 					if (lastToken.Opens != Grouping.None && token.Closes != Grouping.None)
 						throw new InvalidDataException($"Empty parenthesis at index {lastToken.Index}");
 
-					// Exactly one of two consective tokens must take the other's sub-expression evaluation as an operand
+					// Exactly one of two consecutive tokens must take the other's sub-expression evaluation as an operand
 					if (lastToken.RightOperand == token.LeftOperand)
 					{
 						if (lastToken.RightOperand)
diff --git a/OpenRA.Game/Translation.cs b/OpenRA.Game/Translation.cs
index cb9b244a00..5689b3f43f 100644
--- a/OpenRA.Game/Translation.cs
+++ b/OpenRA.Game/Translation.cs
@@ -95,7 +95,7 @@ namespace OpenRA
 		{
 			if (args.Length % 2 != 0)
 				throw new ArgumentException("Expected a comma separated list of name, value arguments"
-					+ "but the number of arguments is not a multiple of two", nameof(args));
+					+ " but the number of arguments is not a multiple of two", nameof(args));
 
 			var argumentDictionary = new Dictionary<string, object> { { name, value } };
 
diff --git a/OpenRA.Mods.Cnc/Traits/MadTank.cs b/OpenRA.Mods.Cnc/Traits/MadTank.cs
index 86653fd8f9..c8e0913930 100644
--- a/OpenRA.Mods.Cnc/Traits/MadTank.cs
+++ b/OpenRA.Mods.Cnc/Traits/MadTank.cs
@@ -62,7 +62,7 @@ namespace OpenRA.Mods.Cnc.Traits
 		public readonly BitSet<DamageType> DamageTypes = default(BitSet<DamageType>);
 
 		[CursorReference]
-		[Desc("Cursor to display when targetting.")]
+		[Desc("Cursor to display when targeting.")]
 		public readonly string AttackCursor = "attack";
 
 		[CursorReference]
diff --git a/OpenRA.Mods.Common/Activities/Air/Fly.cs b/OpenRA.Mods.Common/Activities/Air/Fly.cs
index 4c3c298282..30efb9d55d 100644
--- a/OpenRA.Mods.Common/Activities/Air/Fly.cs
+++ b/OpenRA.Mods.Common/Activities/Air/Fly.cs
@@ -133,7 +133,7 @@ namespace OpenRA.Mods.Common.Activities
 			var isLanded = dat <= aircraft.LandAltitude;
 
 			// HACK: Prevent paused (for example, EMP'd) aircraft from taking off.
-			// This is necessary until the TODOs in the IsCanceling block below are adressed.
+			// This is necessary until the TODOs in the IsCanceling block below are addressed.
 			if (isLanded && aircraft.IsTraitPaused)
 				return false;
 
@@ -236,7 +236,7 @@ namespace OpenRA.Mods.Common.Activities
 			if (!isSlider)
 			{
 				// Using the turn rate, compute a hypothetical circle traced by a continuous turn.
-				// If it contains the destination point, it's unreachable without more complex manuvering.
+				// If it contains the destination point, it's unreachable without more complex maneuvering.
 				var turnRadius = CalculateTurnRadius(aircraft.MovementSpeed, aircraft.TurnSpeed);
 
 				// The current facing is a tangent of the minimal turn circle.
diff --git a/OpenRA.Mods.Common/Activities/Enter.cs b/OpenRA.Mods.Common/Activities/Enter.cs
index 34e5942ff2..5566f41a6e 100644
--- a/OpenRA.Mods.Common/Activities/Enter.cs
+++ b/OpenRA.Mods.Common/Activities/Enter.cs
@@ -54,7 +54,7 @@ namespace OpenRA.Mods.Common.Activities
 
 		/// <summary>
 		/// Called when the actor has entered the target actor.
-		/// Actor will be be Killed/Disposed or they will enter/exit unharmed.
+		/// Actor will be Killed/Disposed or they will enter/exit unharmed.
 		/// Depends on either the EnterBehaviour of the actor or the requirements of an overriding function.
 		/// </summary>
 		protected virtual void OnEnterComplete(Actor self, Actor targetActor) { }
diff --git a/OpenRA.Mods.Common/Activities/FindAndDeliverResources.cs b/OpenRA.Mods.Common/Activities/FindAndDeliverResources.cs
index d1b93f95f8..b9d715b2a6 100644
--- a/OpenRA.Mods.Common/Activities/FindAndDeliverResources.cs
+++ b/OpenRA.Mods.Common/Activities/FindAndDeliverResources.cs
@@ -193,7 +193,7 @@ namespace OpenRA.Mods.Common.Activities
 						return PathGraph.PathCostForInvalidPath;
 
 					// Add a cost modifier to harvestable cells to prefer resources that are closer to the refinery.
-					// This reduces the tendancy for harvesters to move in straight lines
+					// This reduces the tendency for harvesters to move in straight lines
 					if (procPos.HasValue && harvInfo.ResourceRefineryDirectionPenalty > 0 && harv.CanHarvestCell(self, loc))
 					{
 						var pos = map.CenterOfCell(loc);
diff --git a/OpenRA.Mods.Common/Activities/Resupply.cs b/OpenRA.Mods.Common/Activities/Resupply.cs
index ef2541721c..a4a393b875 100644
--- a/OpenRA.Mods.Common/Activities/Resupply.cs
+++ b/OpenRA.Mods.Common/Activities/Resupply.cs
@@ -121,7 +121,7 @@ namespace OpenRA.Mods.Common.Activities
 
 				// HACK: If the activity is cancelled while we're on the host resupplying (or about to start resupplying),
 				// move actor outside the resupplier footprint to prevent it from blocking other actors.
-				// Additionally, if the host is no longer valid, make aircaft take off.
+				// Additionally, if the host is no longer valid, make aircraft take off.
 				if (isCloseEnough || isHostInvalid)
 					OnResupplyEnding(self, isHostInvalid);
 
diff --git a/OpenRA.Mods.Common/Projectiles/Missile.cs b/OpenRA.Mods.Common/Projectiles/Missile.cs
index 6d3f7a865e..c89e0d7050 100644
--- a/OpenRA.Mods.Common/Projectiles/Missile.cs
+++ b/OpenRA.Mods.Common/Projectiles/Missile.cs
@@ -79,7 +79,7 @@ namespace OpenRA.Mods.Common.Projectiles
 		[Desc("Controls the way inaccuracy is calculated. Possible values are 'Maximum' - scale from 0 to max with range, 'PerCellIncrement' - scale from 0 with range and 'Absolute' - use set value regardless of range.")]
 		public readonly InaccuracyType InaccuracyType = InaccuracyType.Absolute;
 
-		[Desc("Inaccuracy override when sucessfully locked onto target. Defaults to Inaccuracy if negative.")]
+		[Desc("Inaccuracy override when successfully locked onto target. Defaults to Inaccuracy if negative.")]
 		public readonly WDist LockOnInaccuracy = new WDist(-1);
 
 		[Desc("Probability of locking onto and following target.")]
@@ -546,7 +546,7 @@ namespace OpenRA.Mods.Common.Projectiles
 			// Attained height after ascent as predicted from upper part of incline surmounting manoeuvre
 			var predAttHght = loopRadius * (1024 - WAngle.FromFacing(vFacing).Cos()) / 1024 - diffClfMslHgt;
 
-			// Should the missile be slowed down in order to make it more manoeuverable
+			// Should the missile be slowed down in order to make it more maneuverable
 			var slowDown = info.Acceleration.Length != 0 // Possible to decelerate
 				&& ((desiredVFacing != 0 // Lower part of incline surmounting manoeuvre
 
diff --git a/OpenRA.Mods.Common/Scripting/Properties/AircraftProperties.cs b/OpenRA.Mods.Common/Scripting/Properties/AircraftProperties.cs
index 2b6ee3c4a8..045c824879 100644
--- a/OpenRA.Mods.Common/Scripting/Properties/AircraftProperties.cs
+++ b/OpenRA.Mods.Common/Scripting/Properties/AircraftProperties.cs
@@ -42,7 +42,7 @@ namespace OpenRA.Mods.Common.Scripting
 		}
 
 		[ScriptActorPropertyActivity]
-		[Desc("Queues a landing activity on the specififed actor.")]
+		[Desc("Queues a landing activity on the specified actor.")]
 		public void Land(Actor landOn)
 		{
 			Self.QueueActivity(new Land(Self, Target.FromActor(landOn)));
diff --git a/OpenRA.Mods.Common/SpriteLoaders/PngSheetLoader.cs b/OpenRA.Mods.Common/SpriteLoaders/PngSheetLoader.cs
index 11e8f05387..e734cf057c 100644
--- a/OpenRA.Mods.Common/SpriteLoaders/PngSheetLoader.cs
+++ b/OpenRA.Mods.Common/SpriteLoaders/PngSheetLoader.cs
@@ -129,7 +129,7 @@ namespace OpenRA.Mods.Common.SpriteLoaders
 			}
 			else if (png.EmbeddedData.ContainsKey("FrameAmount"))
 			{
-				// Otherwise, calculate the number of frames by splitting the image horizontaly by FrameAmount.
+				// Otherwise, calculate the number of frames by splitting the image horizontally by FrameAmount.
 				frameAmount = FieldLoader.GetValue<int>("FrameAmount", png.EmbeddedData["FrameAmount"]);
 				frameSize = new Size(png.Width / frameAmount, png.Height);
 			}
diff --git a/OpenRA.Mods.Common/Traits/AffectsShroud.cs b/OpenRA.Mods.Common/Traits/AffectsShroud.cs
index 278bacef10..abe8b70edb 100644
--- a/OpenRA.Mods.Common/Traits/AffectsShroud.cs
+++ b/OpenRA.Mods.Common/Traits/AffectsShroud.cs
@@ -156,7 +156,7 @@ namespace OpenRA.Mods.Common.Traits
 
 		void INotifyMoving.MovementTypeChanged(Actor self, MovementType type)
 		{
-			// Recalculate the visiblity at our final stop position
+			// Recalculate the visibility at our final stop position
 			if (type == MovementType.None && self.IsInWorld)
 			{
 				var centerPosition = self.CenterPosition;
diff --git a/OpenRA.Mods.Common/Traits/BotModules/BotModuleLogic/SupportPowerDecision.cs b/OpenRA.Mods.Common/Traits/BotModules/BotModuleLogic/SupportPowerDecision.cs
index 62577537e6..2b8d8f5174 100644
--- a/OpenRA.Mods.Common/Traits/BotModules/BotModuleLogic/SupportPowerDecision.cs
+++ b/OpenRA.Mods.Common/Traits/BotModules/BotModuleLogic/SupportPowerDecision.cs
@@ -78,7 +78,7 @@ namespace OpenRA.Mods.Common.Traits
 				var br = world.Map.CellContaining(pos + delta);
 				var checkFrozen = firedBy.FrozenActorLayer.FrozenActorsInRegion(new CellRegion(world.Map.Grid.Type, tl, br));
 
-				// IsValid check filters out Frozen Actors that have not initizialized their Owner
+				// IsValid check filters out Frozen Actors that have not initialized their Owner
 				foreach (var scrutinized in checkFrozen)
 					answer += consideration.GetAttractiveness(scrutinized, firedBy.RelationshipWith(scrutinized.Owner), firedBy);
 			}
diff --git a/OpenRA.Mods.Common/Traits/BotModules/McvManagerBotModule.cs b/OpenRA.Mods.Common/Traits/BotModules/McvManagerBotModule.cs
index 541a2c7063..5d631ebc65 100644
--- a/OpenRA.Mods.Common/Traits/BotModules/McvManagerBotModule.cs
+++ b/OpenRA.Mods.Common/Traits/BotModules/McvManagerBotModule.cs
@@ -163,7 +163,7 @@ namespace OpenRA.Mods.Common.Traits
 
 			// If the MCV has to move first, we can't be sure it reaches the destination alive, so we only
 			// update base and defense center if the MCV is deployed immediately (i.e. at game start).
-			// TODO: This could be adressed via INotifyTransform.
+			// TODO: This could be addressed via INotifyTransform.
 			foreach (var n in notifyPositionsUpdated)
 			{
 				n.UpdatedBaseCenter(mcv.Location);
diff --git a/OpenRA.Mods.Common/Traits/Conditions/GrantConditionOnHealth.cs b/OpenRA.Mods.Common/Traits/Conditions/GrantConditionOnHealth.cs
index dd2e4c9e48..1a70d48b2f 100644
--- a/OpenRA.Mods.Common/Traits/Conditions/GrantConditionOnHealth.cs
+++ b/OpenRA.Mods.Common/Traits/Conditions/GrantConditionOnHealth.cs
@@ -34,7 +34,7 @@ namespace OpenRA.Mods.Common.Traits
 			"Non-positive values will make it use Health.HP.")]
 		public readonly int MaxHP = 0;
 
-		[Desc("Is the condition irrevokable once it has been granted?")]
+		[Desc("Is the condition irrevocable once it has been granted?")]
 		public readonly bool GrantPermanently = false;
 
 		public override object Create(ActorInitializer init) { return new GrantConditionOnHealth(init.Self, this); }
diff --git a/OpenRA.Mods.Common/Traits/Player/PlayerResources.cs b/OpenRA.Mods.Common/Traits/Player/PlayerResources.cs
index ee888786ae..b9bc169fc2 100644
--- a/OpenRA.Mods.Common/Traits/Player/PlayerResources.cs
+++ b/OpenRA.Mods.Common/Traits/Player/PlayerResources.cs
@@ -53,7 +53,7 @@ namespace OpenRA.Mods.Common.Traits
 		[NotificationReference("Sounds")]
 		public readonly string CashTickDownNotification = null;
 
-		[Desc("Monetery value of each resource type.", "Dictionary of [resource type]: [value per unit].")]
+		[Desc("Monetary value of each resource type.", "Dictionary of [resource type]: [value per unit].")]
 		public readonly Dictionary<string, int> ResourceValues = new Dictionary<string, int>();
 
 		IEnumerable<LobbyOption> ILobbyOptions.LobbyOptions(MapPreview map)
diff --git a/OpenRA.Mods.Common/Traits/Render/WithResourceStoragePipsDecoration.cs b/OpenRA.Mods.Common/Traits/Render/WithResourceStoragePipsDecoration.cs
index 6fbc4d4e7f..18a7c26f76 100644
--- a/OpenRA.Mods.Common/Traits/Render/WithResourceStoragePipsDecoration.cs
+++ b/OpenRA.Mods.Common/Traits/Render/WithResourceStoragePipsDecoration.cs
@@ -21,7 +21,7 @@ namespace OpenRA.Mods.Common.Traits.Render
 		[Desc("Number of pips to display how filled unit is.")]
 		public readonly int PipCount = 0;
 
-		[Desc("If non-zero, override the spacing between adjacing pips.")]
+		[Desc("If non-zero, override the spacing between adjacent pips.")]
 		public readonly int2 PipStride = int2.Zero;
 
 		[Desc("Image that defines the pip sequences.")]
diff --git a/OpenRA.Mods.Common/Traits/World/ColorPickerManager.cs b/OpenRA.Mods.Common/Traits/World/ColorPickerManager.cs
index 8404c3e3dd..308ad6f1df 100644
--- a/OpenRA.Mods.Common/Traits/World/ColorPickerManager.cs
+++ b/OpenRA.Mods.Common/Traits/World/ColorPickerManager.cs
@@ -38,7 +38,7 @@ namespace OpenRA.Mods.Common.Traits
 		public readonly float[] PresetSaturations = { };
 
 		[ActorReference]
-		[Desc("Actor type to show in the color picker. This can be overriden for specific factions with FactionPreviewActors.")]
+		[Desc("Actor type to show in the color picker. This can be overridden for specific factions with FactionPreviewActors.")]
 		public readonly string PreviewActor = null;
 
 		[SequenceReference(dictionaryReference: LintDictionaryReference.Values)]
diff --git a/OpenRA.Mods.Common/UpdateRules/Rules/20200202/AddResourceRenderer.cs b/OpenRA.Mods.Common/UpdateRules/Rules/20200202/AddResourceRenderer.cs
index f1817c5bed..84d171b231 100644
--- a/OpenRA.Mods.Common/UpdateRules/Rules/20200202/AddResourceRenderer.cs
+++ b/OpenRA.Mods.Common/UpdateRules/Rules/20200202/AddResourceRenderer.cs
@@ -26,7 +26,7 @@ namespace OpenRA.Mods.Common.UpdateRules.Rules
 		{
 			if (locations.Any())
 				yield return "[D2k]ResourceRenderer has been added.\n" +
-					"You need to adjust the the field RenderTypes on trait [D2k]ResourceRenderer\n" +
+					"You need to adjust the field RenderTypes on trait [D2k]ResourceRenderer\n" +
 					"on the following actors:\n" +
 					UpdateUtils.FormatMessageList(locations);
 
diff --git a/OpenRA.Mods.Common/UpdateRules/Rules/RemoveTurnToDock.cs b/OpenRA.Mods.Common/UpdateRules/Rules/RemoveTurnToDock.cs
index db38e8686d..0247dcea5a 100644
--- a/OpenRA.Mods.Common/UpdateRules/Rules/RemoveTurnToDock.cs
+++ b/OpenRA.Mods.Common/UpdateRules/Rules/RemoveTurnToDock.cs
@@ -30,8 +30,8 @@ namespace OpenRA.Mods.Common.UpdateRules.Rules
 			var message = "TurnToDock is now deprecated. The following actors had TurnToDock enabled:\n"
 				+ UpdateUtils.FormatMessageList(turningAircraft.Select(n => n.Item1 + " (" + n.Item2 + ")"))
 				+ "\n If you wish these units to keep their turning behaviour when docking with a host building" +
-					"you will need to define a 'Facing' parameter on the 'Exit' trait of the host building. This change" +
-					"does not affect the behaviour for landing on terrain which is governed by TurnToLand.";
+					" you will need to define a 'Facing' parameter on the 'Exit' trait of the host building. This change" +
+					" does not affect the behaviour for landing on terrain which is governed by TurnToLand.";
 
 			if (turningAircraft.Any())
 				yield return message;
diff --git a/OpenRA.Mods.Common/Warheads/DamageWarhead.cs b/OpenRA.Mods.Common/Warheads/DamageWarhead.cs
index 6cc6c1bde5..a9e58380ed 100644
--- a/OpenRA.Mods.Common/Warheads/DamageWarhead.cs
+++ b/OpenRA.Mods.Common/Warheads/DamageWarhead.cs
@@ -26,7 +26,7 @@ namespace OpenRA.Mods.Common.Warheads
 		[Desc("Types of damage that this warhead causes. Leave empty for no damage types.")]
 		public readonly BitSet<DamageType> DamageTypes = default(BitSet<DamageType>);
 
-		[Desc("Damage percentage versus each armortype.")]
+		[Desc("Damage percentage versus each armor type.")]
 		public readonly Dictionary<string, int> Versus = new Dictionary<string, int>();
 
 		public override bool IsValidAgainst(Actor victim, Actor firedBy)
diff --git a/OpenRA.Mods.Common/Warheads/LeaveSmudgeWarhead.cs b/OpenRA.Mods.Common/Warheads/LeaveSmudgeWarhead.cs
index e5449198f4..9a705fc5a9 100644
--- a/OpenRA.Mods.Common/Warheads/LeaveSmudgeWarhead.cs
+++ b/OpenRA.Mods.Common/Warheads/LeaveSmudgeWarhead.cs
@@ -26,7 +26,7 @@ namespace OpenRA.Mods.Common.Warheads
 		[Desc("Type of smudge to apply to terrain.")]
 		public readonly HashSet<string> SmudgeType = new HashSet<string>();
 
-		[Desc("Percentual chance the smudge is created.")]
+		[Desc("Percentage chance the smudge is created.")]
 		public readonly int Chance = 100;
 
 		public override void DoImpact(in Target target, WarheadArgs args)
diff --git a/OpenRA.Mods.Common/Widgets/Logic/Editor/SaveMapLogic.cs b/OpenRA.Mods.Common/Widgets/Logic/Editor/SaveMapLogic.cs
index 8f4d563e0b..77d8722688 100644
--- a/OpenRA.Mods.Common/Widgets/Logic/Editor/SaveMapLogic.cs
+++ b/OpenRA.Mods.Common/Widgets/Logic/Editor/SaveMapLogic.cs
@@ -208,7 +208,7 @@ namespace OpenRA.Mods.Common.Widgets.Logic
 						title: "Failed to save map",
 						text: "See debug.log for details.",
 						onConfirm: () => { },
-						confirmText: "Ok");
+						confirmText: "OK");
 				}
 			};
 		}
diff --git a/OpenRA.Mods.Common/WorldExtensions.cs b/OpenRA.Mods.Common/WorldExtensions.cs
index ddc2a13d5b..8f9fee53d0 100644
--- a/OpenRA.Mods.Common/WorldExtensions.cs
+++ b/OpenRA.Mods.Common/WorldExtensions.cs
@@ -97,7 +97,7 @@ namespace OpenRA.Mods.Common
 			// It falls where t = [(point - target) . (source - target)] / |source - target|^2
 			// The normal DotProduct math would be (xDiff + yDiff) / dist, where dist = (target - source).LengthSquared;
 			// But in order to avoid floating points, we do not divide here, but rather work with the large numbers as far as possible.
-			// We then later divide by dist, only AFTER we have multiplied by the dotproduct.
+			// We then later divide by dist, only AFTER we have multiplied by the dot product.
 			var xDiff = ((long)point.X - lineEnd.X) * (lineStart.X - lineEnd.X);
 			var yDiff = ((long)point.Y - lineEnd.Y) * (lineStart.Y - lineEnd.Y);
 			var t = xDiff + yDiff;
diff --git a/OpenRA.Test/OpenRA.Game/MiniYamlTest.cs b/OpenRA.Test/OpenRA.Game/MiniYamlTest.cs
index 5c3610db1a..b9ce0f3780 100644
--- a/OpenRA.Test/OpenRA.Game/MiniYamlTest.cs
+++ b/OpenRA.Test/OpenRA.Game/MiniYamlTest.cs
@@ -272,7 +272,7 @@ Parent: # comment without value
 			Assert.AreEqual(yaml, result);
 		}
 
-		[TestCase(TestName = "Comments should be be removed when discardCommentsAndWhitespace is false")]
+		[TestCase(TestName = "Comments should be removed when discardCommentsAndWhitespace is false")]
 		public void CommentsShouldntSurviveRoundTrip()
 		{
 			var yaml = @"
diff --git a/OpenRA.Test/OpenRA.Game/VariableExpressionTest.cs b/OpenRA.Test/OpenRA.Game/VariableExpressionTest.cs
index 2d1ada9ce7..ca2d09a642 100644
--- a/OpenRA.Test/OpenRA.Game/VariableExpressionTest.cs
+++ b/OpenRA.Test/OpenRA.Game/VariableExpressionTest.cs
@@ -354,7 +354,7 @@ namespace OpenRA.Test
 			AssertParseFailure("t -1", "Missing binary operation before `-1` at index 2");
 		}
 
-		[TestCase(TestName = "Test mixed charaters at end of identifier parser errors")]
+		[TestCase(TestName = "Test mixed characters at end of identifier parser errors")]
 		public void TestParseMixedEndErrors()
 		{
 			AssertParseFailure("t- 1", "Invalid identifier end character at index 1 for `t-`");