Remove the presented at prefix.

#6670 
Before 
![selection_130](https://cloud.githubusercontent.com/assets/1222368/4753355/667291ee-5ab6-11e4-932c-a3b94aa00cfc.png)

After
![selection_131](https://cloud.githubusercontent.com/assets/1222368/4753369/7e634744-5ab6-11e4-9eaf-727e9e051091.png)