[Overlay Test] Some additional tips on tooltip & branch values default like in 2up

Just as title says
![screen shot 2014-12-19 at 1 48 00 pm](https://cloud.githubusercontent.com/assets/8551049/5511660/709e9e96-8785-11e4-84cb-9953c7305ee8.png)

Seemingly useless empty paragraph?  If you want a line break, use <br>