[rorrr2]

I think "text" is english + whitespace + punctuation only, whereas "password" is any kind of character.

I didn't create that image, so I'm not 100% sure.

[ReidZB]

You're correct. See the original scrypt paper by Percival [1], halfway down page 13, for a description of the categories. The table itself is at the top of page 14.

[1] https://www.tarsnap.com/scrypt/scrypt.pdf