Failure/Error: click_link "New Todo list"

I got and Error - kindly help Here is my code :

require 'spec_helper'
describe "Creating todo lists" do
    it "redirects to the todo list index page on success" do
        visit "/todo_lists"
        click_link "New Todo list"
        expect(page).to have_content("New Todo List")
        fill_in "Title", with: "My todo list"
        fill_in "Description", with: "This is what I'm doing today"
        click_button "Create Todo list"
        expect(page).to have_content("My Todo list")
    end
end

Here is my Error Message:

C:\Treehouse\Project\odot ((detached from d64afef))
λ rspec spec/features/todo_lists/create_spec.rb
F

Failures:

1) Creating todo lists redirects to the todo list index page on success
Failure/Error: click_link "New Todo list"
NoMethodError:
undefined method click_link' for #<RSpec::ExampleGroups::CreatingTodoLists:0x45c5cb8> # ./spec/features/todo_lists/create_spec.rb:6:inblock (2 levels) in <top (required)>'

Finished in 0.001 seconds (files took 1 second to load)
1 example, 1 failure

Failed examples:

rspec ./spec/features/todo_lists/create_spec.rb:4 # Creating todo lists redirects to the todo list index page on succes C:\Treehouse\Project\odot ((detached from d64afef))