My terminal script is broken Why?

Alright, I am trying to make a good terminal script for my groups base but, It isn't working...

local wintime = 1200
local totaltime = 1200
local timegodown = 1 -- how many seconds of time go down for the term
local h = Instance.new("Hint")
script.Parent.Touched:connect(function(hit)
	if hit.Parent:findFirstChild("Humanoid") ~= nil then
		local player = game.Players:GetPlayerFromCharacter(hit.Parent)
		if player then
			if player.TeamColor == BrickColor.new("Really black") then
				script.Parent.BrickColor = BrickColor.new("Really black")
				h.Parent = game.Workspace
				h.Text = "The Necromongers Own the Term!"
				wait(3)
				h:Remove()
			end
			while wait() do
				if script.Parent.BrickColor == BrickColor.new("Really black") then
					h.Parent = game.Workspace
					while wait() do
						
						h.Text = "The Necromongers have"..wintime-timegodown.." seconds left before Winning!" -- Only goes down 1 seconds and stays at 1199
					end
					
				end
			end
		end
	end
end)

You need to add somewhere in your script:

timegodown = timegodown - 1