<% selected = params[:newsletter] || [] %>
<%= form_tag newsletter_url, :method => :post do %>
  <%= render :partial => "/shared/admin/error_messages", :locals => {
          :object => @subscriber,
          :include_object_name => true
        } %>
  <% if @newsletters.empty? %>
	  <p><%= t('.sorry_no_results') %></p>
	<% else %>
	  <% if @newsletters.size == 1 %>
		  <% newsletter = @newsletters.first %>
		  <%= hidden_field_tag "newsletter[]", newsletter.id, :id => dom_id(newsletter) %>
			<h2><%= newsletter.name %></h2>
			<%=raw newsletter.description  %>
		<% else %>
		  <table>
		  	<tbody>
		  		<% @newsletters.each do |newsletter| %>
						<tr>
		          <td>
								<%= check_box_tag "newsletter[]", newsletter.id, selected.include?(newsletter.id.to_s), :id => dom_id(newsletter) %>
							</td>
		          <td>
		            <h2><%= newsletter.name %></h2>
		            <%=raw newsletter.description  %>
		          </td>
		        </tr>
					<% end %>
				</tbody>
			</table>
		<% end %>
		<%= label_tag 'email', t('.email') %>
		<%= email_field_tag 'email', @subscriber.email %>
		<%= submit_tag t('.subscribe') %>
		<%= submit_tag t('.unsubscribe'), :name => 'unsubscribe' %>
  <% end %>
<% end %>

<% selected = params[:newsletter] || [] %>
<%= form_tag newsletter_url, :method => :post, :id => 'newsletter_form' do %>
  <%= render :partial => "/shared/admin/error_messages", :locals => {
          :object => @subscriber,
          :include_object_name => true
        } %>
  <% if @newsletters.empty? %>
	  <p><%= t('.sorry_no_results') %></p>
	<% else %>
	  <% if @newsletters.size == 1 %>
		  <% newsletter = @newsletters.first %>
		  <%= hidden_field_tag "newsletter[]", newsletter.id, :id => dom_id(newsletter) %>
			<h2><%= newsletter.name %></h2>
			<%=raw newsletter.description  %>
		<% else %>
		  <table>
		  	<tbody>
		  		<% @newsletters.each do |newsletter| %>
						<tr>
		          <td>
								<%= check_box_tag "newsletter[]", newsletter.id, selected.include?(newsletter.id.to_s), :id => dom_id(newsletter) %>
							</td>
		          <td>
		            <%= label_tag dom_id(newsletter), newsletter.name %>
		            <%=raw newsletter.description  %>
		          </td>
		        </tr>
					<% end %>
				</tbody>
			</table>
		<% end %>
		<%= label_tag 'email', t('.email') %>
		<%= email_field_tag 'email', @subscriber.email %>
		<%= submit_tag t('.subscribe') %>
		<%= submit_tag t('.unsubscribe'), :name => 'unsubscribe' %>
  <% end %>
<% end %>

Use label instead of h2 in newsletter front end table.
Use label instead of h2 in newsletter front end table.
