new.html.erb

<h2>Change your password</h2>

<p>
  We will email you a link to change your password.
</p>

<% form_for :password, :url => passwords_path do |form| %>
  <div class="text_field">
    <%= form.label :email, "Email address" %>
    <%= form.text_field :email %>
  </div>
  <div class="submit_field">
    <%= form.submit "Reset password", :disable_with => "Please wait..." %>
  </div>
<% end %>