Fix reference direction.

diff --git a/Doc/library/ftplib.rst b/Doc/library/ftplib.rst
index 3765d9e..27cc444 100644
--- a/Doc/library/ftplib.rst
+++ b/Doc/library/ftplib.rst

@@ -110,7 +110,7 @@
    The set of all exceptions (as a tuple) that methods of :class:`FTP`
    instances may raise as a result of problems with the FTP connection (as
    opposed to programming errors made by the caller).  This set includes the
-   four exceptions listed below as well as :exc:`socket.error` and
+   four exceptions listed above as well as :exc:`socket.error` and
    :exc:`IOError`.