diff -u b/core/includes/form.inc b/core/includes/form.inc
--- b/core/includes/form.inc
+++ b/core/includes/form.inc
@@ -1598,40 +1598,40 @@
  * Adds a column of radio buttons or checkboxes for each row of a table.
  *
  * @param $element
- *     An associative array containing the properties and children of
- *     the tableselect element. Properties used: #header, #options, #empty,
- *     and #js_select. The #options property is an array of selection options;
- *     each array element of #options is an array of properties. These
- *     properties can include #attributes, which is added to the
- *     table row's HTML attributes; see theme_table(). An example of per-row
- *     options:
- *     @code
- *     $options = array(
- *       array(
- *         'title' => 'How to Learn Drupal',
- *         'content_type' => 'Article',
- *         'status' => 'published',
- *         '#attributes' => array('class' => array('article-row')),
- *       ),
- *       array(
- *         'title' => 'Privacy Policy',
- *         'content_type' => 'Page',
- *         'status' => 'published',
- *         '#attributes' => array('class' => array('page-row')),
- *       ),
- *     );
- *     $header = array(
- *       'title' => t('Title'),
- *       'content_type' => t('Content type'),
- *       'status' => t('Status'),
- *     );
- *     $form['table'] = array(
- *       '#type' => 'tableselect',
- *       '#header' => $header,
- *       '#options' => $options,
- *       '#empty' => t('No content available.'),
- *     );
- *     @endcode
+ *   An associative array containing the properties and children of
+ *   the tableselect element. Properties used: #header, #options, #empty,
+ *   and #js_select. The #options property is an array of selection options;
+ *   each array element of #options is an array of properties. These
+ *   properties can include #attributes, which is added to the
+ *   table row's HTML attributes; see theme_table(). An example of per-row
+ *   options:
+ * @code
+ *   $options = array(
+ *     array(
+ *       'title' => 'How to Learn Drupal',
+ *       'content_type' => 'Article',
+ *       'status' => 'published',
+ *       '#attributes' => array('class' => array('article-row')),
+ *     ),
+ *     array(
+ *       'title' => 'Privacy Policy',
+ *       'content_type' => 'Page',
+ *       'status' => 'published',
+ *       '#attributes' => array('class' => array('page-row')),
+ *     ),
+ *   );
+ *   $header = array(
+ *     'title' => t('Title'),
+ *     'content_type' => t('Content type'),
+ *     'status' => t('Status'),
+ *   );
+ *   $form['table'] = array(
+ *     '#type' => 'tableselect',
+ *     '#header' => $header,
+ *     '#options' => $options,
+ *     '#empty' => t('No content available.'),
+ *   );
+ * @endcode
  */
 function form_pre_render_tableselect($element) {
   $rows = array();