How come my leaderstats wont chage? (read description)

I want my leaderstats that is a string value to go from "lobby" to "1", but it wont work, i have no errors please help!

local player = game.Players.LocalPlayer
script.Parent.Touched:connect(function(hit) 
 if hit.Parent:FindFirstChild('Humanoid') then 
  hit.Parent.Head.CFrame = CFrame.new(122, 245.603, -230)
    player.leaderstats.level.Value = "1"

 end
end)