Viewing the full hard drive space usage OS X

Something that has been a pain for a long time is that the hard drive icon, on the desktop, says how big it is and how much space is available, but it obscures it; e.g. "319.14 G...7 GB free" rather than "319.14 GB, 47 GB free". E.g.

Thankfully I found the instructions here; http://forums.macrumors.com/archive/index.php/t-786367.html and the problem is quickly resolved by increasing the grid spacing of the icons until all the text is shown and you get the following;

Brill! So to do that; right click on the hard drive icon (two finger click) and click "Show View Options" and then increase the "Grid Spacing" until the text can be fully seen as above.