help me fix this shi
local function sayPhrase(character, phrase)
local humanoid = character:FindFirstChildOfClass("Humanoid")
if humanoid then
humanoid:DisplayName = phrase
end
end
local function clearPhrase(character)
local humanoid = character:FindFirstChildOfClass("Humanoid")
if humanoid then
humanoid:DisplayName = character.Name
end
end
game.Players.PlayerAdded:Connect(function(player)
player.CharacterAdded:Connect(function(character)
wait(3)
sayPhrase(character, "Hello, world!")
wait(3)
clearPhrase(character)
end)
end)