I think this should be "versionchanged", not "versionadded"

diff --git a/Doc/library/smtplib.rst b/Doc/library/smtplib.rst
index 4805c8e2057dc9c20df11fec63abaf7b210345b3..cfd5018a999c6498ef3de651aa1f05dd5125d376 100644 (file)
--- a/Doc/library/smtplib.rst
+++ b/Doc/library/smtplib.rst
@@ -45,7 +45,7 @@ Protocol) and :rfc:`1869` (SMTP Service Extensions).
     (250, b'Ok')
     >>>
 
-   .. versionadded:: 3.3
+   .. versionchanged:: 3.3
       Support for the :keyword:`with` statement was added.