After a few PMs I thought I'd post up how to do it.
Firstly it's not a board setting, you need to change it yourself:
4 Easy Steps:1) Hit "My Controls" on the upper right hand:

2) Bottom left of the screen you will see "Board Settings", hit that one:

3) Make sure you check this box here:

4) Final step, accept the changes at the bottom of the screen:

Done :D