Fix snippet for defs

Before:
![defs-before](https://f.cloud.github.com/assets/856084/2303186/f88f46f0-a1a5-11e3-8a00-f820bd9cfe4a.png)

After:
![defs-after](https://f.cloud.github.com/assets/856084/2303185/f4d7280c-a1a5-11e3-8c3e-78f724ec9325.png)