Misprint in instructional comment

[blitzarx1]

Hi! You have misprint in rules.py line 54.
Now: >>> r.support # Probability of ('a', 'c', 'c') in the data
Should be: >>> r.support # Probability of ('a', 'b, 'c') in the data

It is a good package, I just want to be helpful)

[tommyod]

Thanks @bl17zar . Wanna edit the file and make a PR? If not I'll fix it.

[blitzarx1]

@tommyod yes, I ll do it ;)