docs: update install block format

jshttp · Jan 8, 2017 · 8ae193b · 8ae193b
1 parent 35c0eed
commit 8ae193b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.md b/README.md
@@ -14,7 +14,7 @@ This is a [Node.js](https://nodejs.org/en/) module available through the
 [npm registry](https://www.npmjs.com/). Installation is done using the
 [`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
 
-```
+```sh
 $ npm install range-parser
 ```