diff --git a/framework/validators/CFileValidator.php b/framework/validators/CFileValidator.php
index 07c90e048..b74d104a5 100644
--- a/framework/validators/CFileValidator.php
+++ b/framework/validators/CFileValidator.php
@@ -26,6 +26,7 @@
  *
  * When using CFileValidator with an active record, the following code is often used:
  * <pre>
+ *  $model->attribute = CUploadedFile::getInstance($model, "attribute");
  *  if($model->save())
  *  {
  *     // single upload