diff --git a/1-js/10-error-handling/2-custom-errors/article.md b/1-js/10-error-handling/2-custom-errors/article.md
index 09667fede..12a2c8dd7 100644
--- a/1-js/10-error-handling/2-custom-errors/article.md
+++ b/1-js/10-error-handling/2-custom-errors/article.md
@@ -38,7 +38,7 @@ class Error {
 
 حالا بیایید با `ValidationError` آن را ارث‌بری کنیم و در عمل امتحانش کنیم:
 
-```js run untrusted
+```js run
 *!*
 class ValidationError extends Error {
 */!*