diff --git a/OpenRA.Mods.Common/Traits/Capturable.cs b/OpenRA.Mods.Common/Traits/Capturable.cs
index 2cf9ea3022..bc00ca06db 100644
--- a/OpenRA.Mods.Common/Traits/Capturable.cs
+++ b/OpenRA.Mods.Common/Traits/Capturable.cs
@@ -25,6 +25,7 @@ namespace OpenRA.Mods.Common.Traits
 		[Desc("What diplomatic stances can be captured by this actor.")]
 		public readonly Stance ValidStances = Stance.Neutral | Stance.Enemy;
 
+		[Desc("Cancel the actor's current activity when getting captured.")]
 		public readonly bool CancelActivity = false;
 
 		public override object Create(ActorInitializer init) { return new Capturable(init.Self, this); }