entrydns/app/views/devise/registrations/edit.html.erb

<div id="box">
  <div class="block" id="block-login">

    <h2>Edit <%= resource_name.to_s.humanize %></h2>
    <div class="content login">

      <%= form_for(resource, :as => resource_name, :url => registration_path(resource_name), :html => { :method => :put }) do |f| %>
        <%= devise_error_messages! %>

        <div><%= f.label :first_name %><br />
          <%= f.text_field :first_name %></div>

        <div><%= f.label :last_name %><br />
          <%= f.text_field :last_name %></div>

        <div><%= f.label :email %><br />
          <%= f.email_field :email %></div>

        <div><%= f.label :password %> <i>(leave blank if you don't want to change it)</i><br />
          <%= f.password_field :password %></div>

        <div><%= f.label :password_confirmation %><br />
          <%= f.password_field :password_confirmation %></div>

        <div><%= f.label :current_password %> <i>(we need your current password to confirm your changes)</i><br />
          <%= f.password_field :current_password %></div>

        <div><%= f.submit "Update" %></div>
      <% end %>

      <br />
      <%= link_to "Back", :back %>
      <br />  

      <div class="danger-zone">
        <h3>Danger zone</h3>
        <p>
          If you cancel your account all your data will be deleted!
          <%= button_to "Cancel account", registration_path(resource_name), 
            :confirm => "All your data will be deleted! Are you sure?", :method => :delete %>
        </p>
      </div>


    </div>
  </div>
</div>