diff --git a/01_Day_JavaScript_Refresher/01_javascript_refresher.md b/01_Day_JavaScript_Refresher/01_javascript_refresher.md
index 636b4c6..a1dce58 100644
--- a/01_Day_JavaScript_Refresher/01_javascript_refresher.md
+++ b/01_Day_JavaScript_Refresher/01_javascript_refresher.md
@@ -311,7 +311,7 @@ const PI = 3.14 // Not allowed to reassign PI to a new value
 // PI = 3.
 ```
 
-```
+```js
 const x = 10;
 
 if (x > 10) {