Documentation typo.
diff --git a/Doc/library/ftplib.rst b/Doc/library/ftplib.rst
index d13f2f0..3cc295a 100644
--- a/Doc/library/ftplib.rst
+++ b/Doc/library/ftplib.rst
@@ -427,7 +427,7 @@
 
 .. method:: FTP_TLS.ccc()
 
-   Revert control channel back to plaintex.  This can be useful to take
+   Revert control channel back to plaintext.  This can be useful to take
    advantage of firewalls that know how to handle NAT with non-secure FTP
    without opening fixed ports.