diff --git a/1-js/02-first-steps/04-variables/article.md b/1-js/02-first-steps/04-variables/article.md
index 50ec5b3e..6de16ff8 100644
--- a/1-js/02-first-steps/04-variables/article.md
+++ b/1-js/02-first-steps/04-variables/article.md
@@ -219,9 +219,9 @@ num = 5; // the variable "num" is created if didn't exist
 alert(num); // 5
 ```
 
-That's a bad practice, it gives an error in the strict mode:
+That's a bad practice, it would give an error in the strict mode:
 
-```js run refresh untrusted
+```js
 "use strict";
 
 *!*