fix various doc typos #3320
diff --git a/Doc/library/ftplib.rst b/Doc/library/ftplib.rst
index 728eeab..c5eabb4 100644
--- a/Doc/library/ftplib.rst
+++ b/Doc/library/ftplib.rst
@@ -316,7 +316,7 @@
Send a ``QUIT`` command to the server and close the connection. This is the
"polite" way to close a connection, but it may raise an exception of the server
- reponds with an error to the ``QUIT`` command. This implies a call to the
+ responds with an error to the ``QUIT`` command. This implies a call to the
:meth:`close` method which renders the :class:`FTP` instance useless for
subsequent calls (see below).