diff --git a/README.md b/README.md
index 039c504..c69d38c 100644
--- a/README.md
+++ b/README.md
@@ -792,22 +792,22 @@ Some reveal.js features, like external markdown, require that presentations run
 2. Install [Grunt](http://gruntjs.com/getting-started#installing-the-cli)
 
 4. Clone the reveal.js repository
-```
+```sh
 $ git clone git@github.com:hakimel/reveal.js.git
 ```
 
 5. Navigate to the reveal.js folder
-```
+```sh
 $ cd reveal.js
 ```
 
 6. Install dependencies
-```
+```sh
 $ npm install
 ```
 
 7. Serve the presentation and monitor source files for changes
-```
+```sh
 $ grunt serve
 ```