Fixed a misspelling in "Prayer of Spirit".

diff --git a/PerfectRaid_Buffs.lua b/PerfectRaid_Buffs.lua
index e817f87..4ea38aa 100644
--- a/PerfectRaid_Buffs.lua
+++ b/PerfectRaid_Buffs.lua
@@ -701,7 +701,7 @@ Buffs.defaults = {
 	{
 		conds = "All",
 		buffname = L["Divine Spirit"],
-		groupname = L["Prayer Spirit"],
+		groupname = L["Prayer of Spirit"],
 		disptext = L["STATUS_DIVINESPIRIT"],
 		missing = true,
 		color = "9900FF",