diff --git a/comment/index.php b/comment/index.php
index 673c806415c..c4cd28a10df 100644
--- a/comment/index.php
+++ b/comment/index.php
@@ -76,6 +76,6 @@ if (empty($action)) {
     $manager->print_comments($page);
     echo '<div class="mdl-align">';
     echo '<button id="comments_delete">'.get_string('delete').'</button>';
-    echo '<div>';
+    echo '</div>';
 }
 echo $OUTPUT->footer();
diff --git a/comment/lib.php b/comment/lib.php
index 6ebabeb9200..996b1e5c175 100644
--- a/comment/lib.php
+++ b/comment/lib.php
@@ -83,7 +83,7 @@ class comment_manager {
         $count = $DB->count_records_sql('SELECT COUNT(*) FROM {comments} c');
         $comments = $this->get_comments($page);
         $table = new html_table();
-        $table->head = array ('<input type="checkbox" id="comment_select_all"/>', 'author', 'content', 'action');
+        $table->head = array ('<input type="checkbox" id="comment_select_all" />', 'author', 'content', 'action');
         $table->align = array ('left', 'left', 'left', 'left');
         $table->width = "95%";
         $table->data = array();