Ops. Forgot to mention this on the PR description. This 15 increases the width, making it more comfortable. Check it out:

Without `+ 15`

![without15](https://f.cloud.github.com/assets/77198/2377246/574af3fc-a880-11e3-9852-aca1323d9b57.gif)

With `+ 15`
![with15](https://f.cloud.github.com/assets/77198/2377249/605a14d2-a880-11e3-97c4-15e69426642c.gif)