app/views/passwords/edit.html.erb
<p>Your password has been reset. Choose a new password below.</p>
<%= form_for(:user,
:url => user_password_path(@user, :token => @user.confirmation_token),
:html => { :method => :put }) do |form| %>
<%= form.password_field :password, :placeholder => 'choose password' %>
<%= form.submit 'Save this password' %>
<% end %>