correct bad class name on commercial travel component 

My fault, now corrected class name so that arrow appears. (Vertical alignment of text is a separate issue.)

Before;

![screen shot 2014-10-23 at 11 01 40](https://cloud.githubusercontent.com/assets/1303616/4751283/d6595990-5a9b-11e4-8d75-661654b027b2.png)

After;

![screen shot 2014-10-23 at 11 02 58](https://cloud.githubusercontent.com/assets/1303616/4751284/dae5fba8-5a9b-11e4-8964-fe247c345b52.png)