diff --git a/OpenRA.Mods.D2k/D2kResourceLayer.cs b/OpenRA.Mods.D2k/D2kResourceLayer.cs
index 01cf32cb32..48984f5b4a 100644
--- a/OpenRA.Mods.D2k/D2kResourceLayer.cs
+++ b/OpenRA.Mods.D2k/D2kResourceLayer.cs
@@ -16,6 +16,7 @@ namespace OpenRA.Traits
 {
 	public class D2kResourceLayerInfo : TraitInfo<D2kResourceLayer> { }
 
+	[Desc("Used to render spice with round borders.")]
 	public class D2kResourceLayer : ResourceLayer
 	{
 		[Flags] enum ClearSides : byte