add more toggle to descriptions (bug 994827)

![screen shot 2014-04-13 at 5 04 44 pm](https://cloud.githubusercontent.com/assets/674727/2690855/6d353594-c368-11e3-8098-b30ccc3aa98b.png)
![screen shot 2014-04-13 at 5 04 49 pm](https://cloud.githubusercontent.com/assets/674727/2690856/6eb94a90-c368-11e3-9f5a-acbff29a78ce.png)
![screen shot 2014-04-13 at 5 04 58 pm](https://cloud.githubusercontent.com/assets/674727/2690857/6fdeb982-c368-11e3-8762-6f8036cca94d.png)