scipy/scipy — pull request #255 by endolith (2012-06-14 21:34:27+00:00)
Title: Add note about the waveforms not being band-limited 

see for example:
http://www.music.mcgill.ca/~gary/307/week5/bandlimited.html

http://projects.scipy.org/scipy/ticket/980

Feel free to completely change the wording. I just think it should be mentioned in some way.