diff --git a/domain_menu_access.admin.inc b/domain_menu_access.admin.inc
index 8018822..36d2db0 100644
--- a/domain_menu_access.admin.inc
+++ b/domain_menu_access.admin.inc
@@ -15,12 +15,16 @@ function domain_menu_access_form_menu_edit_item_alter(&$form, &$form_state) {
     $hide_default_value = (isset($form['original_item']['#value']['options']['domain_menu_access']['hide'])) ? $form['original_item']['#value']['options']['domain_menu_access']['hide'] : array();
     // If any of domain boxes are selected, display fieldset as expanded.
     $collapsed = (count($show_default_value) || count($hide_default_value)) ? FALSE : TRUE;
+    $description = t('This section allows to show or hide this menu item on selected domains.');
+    if (module_exists('help')) {
+      $description .= ' ' . t('See <a href="@help_url">module help</a> for more information.', array('@help_url' => url('admin/help/domain_menu_access')));
+    }
     $form['domain_menu_access']['manage'] = array(
       '#type'           => 'fieldset',
       '#title'          => t('Manage item visibility per domain'),
       '#collapsible'    => TRUE,
       '#collapsed'      => $collapsed,
-      '#description'    => '<p>' . t('This section allows to show or hide this menu item on selected domains. See <a href="@help_url">module help</a> for more information.', array('@help_url' => url('admin/help/domain_menu_access'))) . '</p>',
+      '#description'    => '<p>' . $description . '</p>',
     );
     // Get list of all available domains.
     // Add 'd' to array keys so it is saved properly even for domain_id = 0.
@@ -106,7 +110,7 @@ function domain_menu_access_form_menu_edit_item_submit($form, &$form_state) {
     if (count($form_state['values']['options']['domain_menu_access']) == 0) {
       unset($form_state['values']['options']['domain_menu_access']);
     }
-    // Set 'alter' flag to true for this menu item if it was modified, 
+    // Set 'alter' flag to true for this menu item if it was modified,
     // otherwise hook_translated_menu_link_alter() will not be invoked:
     // http://api.drupal.org/api/drupal/modules--system--system.api.php/function/hook_translated_menu_link_alter/7
     if (isset($form_state['values']['options']['domain_menu_access'])) {