Text overlap in parameters describtion

Just go to: http://docs.gl/gl4/glGetTexLevelParameter and see for yourself

![overlap](https://cloud.githubusercontent.com/assets/763216/4332613/08a998d2-3fd6-11e4-87e8-6012747c2c6e.png)

My fix tested on Chrome v37 and IE11 but you can use something diffrent if you want.

Hope this helps