yii\bootstrap\Carousel fixes

framework/yii/bootstrap/Carousel.php

@@ -26,7 +26,7 @@ use yii\helpers\Html;
  *         ),
  *         array(
  *             'content' => '<img src="http://twitter.github.io/bootstrap/assets/img/bootstrap-mdo-sfmoma-03.jpg"/>',
- *             'caption' => '<h4>This is title</h5><p>This is the caption text</p>',
+ *             'caption' => '<h4>This is title</h4><p>This is the caption text</p>',
  *             'options' => array(...),
  *         ),
  *     )