Change text in nitpicks to have a more readable aspect

It changes the style of the comments so that they are a bit more readable.

Before:
![before](https://f.cloud.github.com/assets/259568/1022339/edf25a3a-0d7f-11e3-97c1-c864570ab36f.png)

After:
![after](https://f.cloud.github.com/assets/259568/1022340/efee3958-0d7f-11e3-9336-dd6a39edd3f1.png)