My first pull request. Fixes issue #1.

My first pull request description.
![58256bae31748d5c96de8211eb3ea490](https://cloud.githubusercontent.com/assets/8504671/3987895/9fcb370e-28aa-11e4-8254-21e5e547091f.jpeg)

![image](https://cloud.githubusercontent.com/assets/8504671/3987907/c5a1da1e-28aa-11e4-9f0a-08520255b89f.png)