Changed check from "mana every 5 seconds" to "mana per 5 sec."

diff --git a/ARLDatamine.lua b/ARLDatamine.lua
index 0d7af3e..deebea2 100644
--- a/ARLDatamine.lua
+++ b/ARLDatamine.lua
@@ -2001,7 +2001,7 @@ do
 					scan_data.caster = true
 					scan_data.healer = false
 					scan_data.verifiedclass = true
-				elseif (strmatch(text, "mana every 5 seconds")) then
+				elseif (strmatch(text, "mana per 5 sec.")) then
 					scan_data.dps = false
 					scan_data.tank = false
 					scan_data.caster = true