you try to fetch a file whose read permissions make it inaccessible; the FTP
code will try to read it, fail with a 550 error, and then perform a directory
listing for the unreadable file. If fine-grained control is needed, consider
- using the :mod:`ftplib` module, subclassing :class:`FancyURLOpener`, or changing
+ using the :mod:`ftplib` module, subclassing :class:`FancyURLopener`, or changing
*_urlopener* to meet your needs.
* This module does not support the use of proxies which require authentication.