document the various overlay and animation change traits

OpenRA.Mods.D2k/DamagedWithoutFoundation.cs

@@ -12,8 +12,9 @@ using System.Linq;
 using OpenRA.GameRules;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.Cnc
+namespace OpenRA.Mods.D2k
 {
+	[Desc("Reduces health points over time when the actor is placed on unsafe terrain.")]
 	class DamagedWithoutFoundationInfo : ITraitInfo, Requires<HealthInfo>
 	{
 		[WeaponReference]