Added some trait [Desc()]s.

OpenRA.Mods.RA/Modifiers/FrozenUnderFog.cs

@@ -1,6 +1,6 @@
 #region Copyright & License Information
 /*
- * Copyright 2007-2013 The OpenRA Developers (see AUTHORS)
+ * Copyright 2007-2014 The OpenRA Developers (see AUTHORS)
  * This file is part of OpenRA, which is free software. It is made
  * available to you under the terms of the GNU General Public License
  * as published by the Free Software Foundation. For more information,
@@ -17,6 +17,7 @@ using OpenRA.Traits;
 
 namespace OpenRA.Mods.RA
 {
+	[Desc("This actor will remain visible (but not updated visually) under fog, once discovered.")]
 	public class FrozenUnderFogInfo : ITraitInfo, Requires<BuildingInfo>, Requires<RenderSpritesInfo>
 	{
 		public readonly bool StartsRevealed = false;