Only show HoW for DKs

diff --git a/oUF_P3lim.lua b/oUF_P3lim.lua
index 52153ed..8fe1fb5 100644
--- a/oUF_P3lim.lua
+++ b/oUF_P3lim.lua
@@ -212,7 +212,6 @@ do
 		[115189] = true, -- Anticipation

 		-- Death Knight
-		[57330] = true, -- Horn of Winter
 		[48707] = true, -- Anti-Magic Shell
 		[51271] = true, -- Pillar of Frost
 		[53365] = true, -- Rune of the Fallen Crusader
@@ -223,6 +222,10 @@ do
 		[80353] = true, -- Time Warp
 	}

+	if(select(2, UnitClass('player')) == 'DEATHKNIGHT') then
+		spells[57330] = true -- Horn of Winter
+	end
+
 	function FilterPlayerBuffs(...)
 		local _, _, _, _, _, _, _, _, _, _, _, _, _, id = ...
 		return spells[id]