Redmine/app/views/auth_sources/edit.rhtml

<h2><%=l(:label_auth_source)%> (<%= @auth_source.auth_method_name %>)</h2>

<% form_tag({:action => 'update', :id => @auth_source}, :class => "tabular") do %>
  <%= render :partial => 'form' %>
  <%= submit_tag l(:button_save) %>
<% end %>