diff --git a/core/includes/form.inc b/core/includes/form.inc
index fd4e5b1..caaaa63 100644
--- a/core/includes/form.inc
+++ b/core/includes/form.inc
@@ -1517,7 +1517,7 @@ function form_process_container($element, &$form_state) {
  *   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
+ *   table row's HTML attributes; see table.html.twig. An example of per-row
  *   options:
  *   @code
  *     $options = array(
@@ -1695,6 +1695,7 @@ function form_process_tableselect($element) {
  *   The processed element.
  *
  * @see form_process_tableselect()
+ * @see form_pre_render_tableselect()
  */
 function form_process_table($element, &$form_state) {
   if ($element['#tableselect']) {
diff --git a/core/modules/comment/src/Form/CommentAdminOverview.php b/core/modules/comment/src/Form/CommentAdminOverview.php
index 02f9ac1..b58aa0d 100644
--- a/core/modules/comment/src/Form/CommentAdminOverview.php
+++ b/core/modules/comment/src/Form/CommentAdminOverview.php
@@ -201,22 +201,15 @@ public function buildForm(array $form, array &$form_state, $type = 'new') {
             '#title' => $comment->getSubject(),
           ) + $comment_permalink->toRenderArray(),
         ),
-        'author' => array(
-          'data' => $username,
-          'class' => array(RESPONSIVE_PRIORITY_MEDIUM),
-        ),
+        'author' => drupal_render($username),
         'posted_in' => array(
           'data' => array(
             '#type' => 'link',
             '#title' => $commented_entity->label(),
             '#access' => $commented_entity->access('view'),
           ) + $commented_entity->urlInfo()->toRenderArray(),
-          'class' => array(RESPONSIVE_PRIORITY_LOW),
-        ),
-        'changed' => array(
-          'data' => $this->date->format($comment->getChangedTime(), 'short'),
-          'class' => array(RESPONSIVE_PRIORITY_LOW),
         ),
+        'changed' => $this->date->format($comment->getChangedTime(), 'short'),
       );
       $comment_uri_options = $comment->urlInfo()->getOptions();
       $links = array();
diff --git a/core/modules/system/system.module b/core/modules/system/system.module
index e156bd7..375f691 100644
--- a/core/modules/system/system.module
+++ b/core/modules/system/system.module
@@ -546,7 +546,7 @@ function system_element_info() {
     '#multiple' => TRUE,
     '#responsive' => TRUE,
     '#sticky' => FALSE,
-    '#pre_render' => array('drupal_pre_render_table','form_pre_render_tableselect'),
+    '#pre_render' => array('drupal_pre_render_table', 'form_pre_render_tableselect'),
     '#process' => array('form_process_tableselect'),
     '#options' => array(),
     '#empty' => '',