diff --git a/framework/validators/Validator.php b/framework/validators/Validator.php
index bb90961eca..d82b028717 100644
--- a/framework/validators/Validator.php
+++ b/framework/validators/Validator.php
@@ -165,7 +165,7 @@ class Validator extends Component
      *
      * ```php
      * function (attribute, value) {
-     *     return $('#country').value == 'USA';
+     *     return $('#country').val() == 'USA';
      * }
      * ```
      *