1 files changed, 2 insertions, 2 deletions
diff --git a/core/DataTable/Filter/GroupBy.php b/core/DataTable/Filter/GroupBy.php
index d783db8bca..8633fb2e9d 100755
--- a/core/DataTable/Filter/GroupBy.php
+++ b/core/DataTable/Filter/GroupBy.php
@@ -18,12 +18,12 @@ use Piwik\DataTable\BaseFilter;
  * _NOTE: This filter should never be queued, it must be applied directly on a {@link DataTable}._
  *
  * **Basic usage example**
- * 
+ *
  *     // group URLs by host
  *     $dataTable->filter('GroupBy', array('label', function ($labelUrl) {
  *         return parse_url($labelUrl, PHP_URL_HOST);
  *     }));
- * 
+ *
  * @api
  */
 class GroupBy extends BaseFilter