Barbarian ignore pain problem

[yecho]

I want to use Ignore Pain when hp<85%
why i open file DemonbuddyBeta\Plugins\Trinity\Configurat ion\TVars.cs
Set(new TVar("Barbarian.IgnorePain.MinHealth", 0.45f, "Ignore Pain Emergency Use Minimum Health Percent"));
change 0.45f to 0.85f that did not effect