Readme: fences.

README.md

@@ -22,16 +22,20 @@ Installation
 
 To install grip, simply:
 
-    $ pip install grip
+```bash
+$ pip install grip
+```
 
 
 Usage
 -----
 
 To render the readme of a repository:
 
-    $ cd myrepo
-    $ grip [port]
+```bash
+$ cd myrepo
+$ grip [port]
+```
 
 Now open a browser and visit [http://localhost:5000](http://localhost:5000/).
 
@@ -41,9 +45,11 @@ API
 
 You can access the API directly with Python, using it in your own projects:
 
-    from grip import serve
-
-    serve(directory='path-to-your-file', port=8080)
+```python
+from grip import serve
+
+serve(directory='path-to-your-file', port=8080)
+```
 
 Other functions include: `find_readme`, `render_content`, and `render_page`