diff --git a/plugins/oauth_client/views/oauth_client_plugin_admin/edit.html.erb b/plugins/oauth_client/views/oauth_client_plugin_admin/edit.html.erb
index a6cf1bb..0b18e0c 100644
--- a/plugins/oauth_client/views/oauth_client_plugin_admin/edit.html.erb
+++ b/plugins/oauth_client/views/oauth_client_plugin_admin/edit.html.erb
@@ -28,7 +28,7 @@
   </div>
 
   <%= f.fields_for :client_options, OpenStruct.new(@provider.options[:client_options]) do |c| %>
-    <div class="client-url <%= "required-field" if @provider.strategy == "noosfero_oauth2" %>">
+    <div class="client-url <%= "required-field" if @provider.strategy == "noosfero_oauth2" %>" title="<%= _("The service URL. If this value is informed, it will be used to identify the users, replacing the provider name") %>">
       <%= labelled_form_field _('Client Url'), c.text_field(:site) %>
     </div>
   <% end %>
--
libgit2 0.21.2