Fix typo in class name
diff --git a/Doc/library/urllib.rst b/Doc/library/urllib.rst
index 080d95d..9a6febc 100644
--- a/Doc/library/urllib.rst
+++ b/Doc/library/urllib.rst
@@ -451,7 +451,7 @@
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.