diff --git a/packages/babel-helpers/README.md b/packages/babel-helpers/README.md
index 5a57c5d46a40..2614f1160e6b 100644
--- a/packages/babel-helpers/README.md
+++ b/packages/babel-helpers/README.md
@@ -4,7 +4,7 @@
 
 ## Install
 
-```js
+```sh
 npm install --save-dev babel-helpers
 ```