Attachment settings

I upgraded from 3.0.0 to 3.0.1.

In Attachment Settings, for some reason the first four lines are now these new ones:

Maximum image dimensions:
Maximum image dimensions:
Image link dimensions:
Image link dimensions:

However, none of them allow for settings. The space to the right of them is blank. And how are these any different than the settings in the next panel below, Image category settings?

!http://img144.imageshack.us/img144/8155/attachmn7.th.jpg