Doc: Resizing Boot2Docker Volume with VirtualBox

The Boot2Docker VM ships with a 20G VMDK volume, which can quickly fill up if one is using large images/large numbers of images. This is a step-by-step guide for increasing the B2D volume using VirtualBox and GParted.
I'm not sure about a question as a title. What are your thoughts @jamtur01 @fredlf on this?
Either way, "Errors" should be "errors". And "no space left on device" probably "No space ..".