diff --git a/readMe.md b/readMe.md
index 1d5fcdb3..abda700e 100644
--- a/readMe.md
+++ b/readMe.md
@@ -429,7 +429,7 @@ Valid variables in JavaScript:
 Camel case or the first way of declaring is conventional in JavaScript. In this material, camelCase variables will be used.
 
 Invalid variable:
-```js
+```sh
   first-name
   1_num
   num_#_1