#2118: IOError is deprecated, use OSError.
diff --git a/Doc/whatsnew/3.4.rst b/Doc/whatsnew/3.4.rst
index 2b6193a..ca515f6 100644
--- a/Doc/whatsnew/3.4.rst
+++ b/Doc/whatsnew/3.4.rst
@@ -162,7 +162,7 @@
smtplib
-------
-:exc:`~smtplib.SMTPException` is now a subclass of :exc:`IOError`, which allows
+:exc:`~smtplib.SMTPException` is now a subclass of :exc:`OSError`, which allows
both socket level errors and SMTP protocol level errors to be caught in one
try/except statement by code that only cares whether or not an error occurred.
(:issue:`2118`).