The poplib module provides two classes, not one.
diff --git a/Doc/library/poplib.rst b/Doc/library/poplib.rst
index d11d937..01f680e 100644
--- a/Doc/library/poplib.rst
+++ b/Doc/library/poplib.rst
@@ -24,7 +24,7 @@
mailserver supports IMAP, you would be better off using the
:class:`imaplib.IMAP4` class, as IMAP servers tend to be better implemented.
-A single class is provided by the :mod:`poplib` module:
+The :mod:`poplib` module provides two classes:
.. class:: POP3(host, port=POP3_PORT[, timeout])