Update app/design/adminhtml/base/default/etc/theme.xml

Co-authored-by: Sven Reichel <github-sr@hotmail.com>

Author: Hanmac

app/design/adminhtml/base/default/etc/theme.xml

@@ -4,7 +4,7 @@
  * @copyright  For copyright and license information, read the COPYING.txt file.
  * @link       /COPYING.txt
  * @license    Academic Free License (AFL 3.0)
- * @package     default_default
+ * @package    default_default
  */
 -->
 <theme>