Ruby hello,bye が表示されない

class TestListController < ApplicationController

def hell
render :plain =>'Hello!'

end

def bye
render :ploin =>'bye'

end

_________________________________________________________________Test_App.application.routes.draw do

For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html

end

get 'hello' => 'test_list#hello'

get 'bye' => 'test_list#bye'