Fixes DocBlock in Zend_Barcode_Object_Ean8

Author: froschdesign

library/Zend/Barcode/Object/Ean8.php

@@ -150,8 +150,10 @@ protected function _drawText()
     /**
      * Particular validation for Ean8 barcode objects
      * (to suppress checksum character substitution)
+     *
      * @param string $value
      * @param array  $options
+     * @throws Zend_Barcode_Object_Exception
      */
     protected function _validateText($value, $options = array())
     {