[docs] possible syntax error

[gspnjt at gmail.com]

  http://docs.python.org/py3k/tutorial/datastructures.html
5.4. Sets

"Curly braces or the set() function can be _use_ to create sets."

error: use
fix: used
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.python.org/pipermail/docs/attachments/20100915/10b008e6/attachment.html>