Fix strikethrough

## Before
![2014-11-28 12 20 32](https://cloud.githubusercontent.com/assets/167012/5223309/055a0a4a-76f9-11e4-8e9d-e6269bc12fc7.png)
## After
![2014-11-28 12 20 52](https://cloud.githubusercontent.com/assets/167012/5223311/08e5f692-76f9-11e4-8540-7a112cd4226a.png)