Clarify Wintertide Phial activation

git-svn-id: http://svn.net-core.org/repos/t-engine4@4792 51575b47-30f0-44d4-a5cc-537603b46e54

game/modules/tome/data/general/objects/boss-artifacts.lua

@@ -76,7 +76,7 @@ newEntity{ base = "BASE_LITE", define_as = "WINTERTIDE_PHIAL",
 	},
 
 	max_power = 60, power_regen = 1,
-	use_power = { name = "cleanse your mind", power = 40,
+	use_power = { name = "cleanse your mind (remove a few detrimental mental effects)", power = 40,
 		use = function(self, who)
 			local target = who
 			local effs = {}