diff --git a/Classes/PHPExcel/Exception.php b/Classes/PHPExcel/Exception.php
index a435453..8ac5386 100644
--- a/Classes/PHPExcel/Exception.php
+++ b/Classes/PHPExcel/Exception.php
@@ -21,8 +21,8 @@
  * @category   PHPExcel
  * @package    PHPExcel
  * @copyright  Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
- * @license	http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
- * @version	##VERSION##, ##DATE##
+ * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
+ * @version    ##VERSION##, ##DATE##
  */
 
 
@@ -34,19 +34,19 @@
  * @copyright  Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
  */
 class PHPExcel_Exception extends Exception {
-	/**
-	 * Error handler callback
-	 *
-	 * @param mixed $code
-	 * @param mixed $string
-	 * @param mixed $file
-	 * @param mixed $line
-	 * @param mixed $context
-	 */
-	public static function errorHandlerCallback($code, $string, $file, $line, $context) {
-		$e = new self($string, $code);
-		$e->line = $line;
-		$e->file = $file;
-		throw $e;
-	}
+    /**
+     * Error handler callback
+     *
+     * @param mixed $code
+     * @param mixed $string
+     * @param mixed $file
+     * @param mixed $line
+     * @param mixed $context
+     */
+    public static function errorHandlerCallback($code, $string, $file, $line, $context) {
+        $e = new self($string, $code);
+        $e->line = $line;
+        $e->file = $file;
+        throw $e;
+    }
 }