lower case

diff --git a/Doc/library/io.rst b/Doc/library/io.rst
index 2684b27245afe207e7e2871798091efcf7d8a88a..c3ebe9af003fff0672d2d522818f0a6991666aec 100644 (file)
--- a/Doc/library/io.rst
+++ b/Doc/library/io.rst
@@ -43,7 +43,7 @@ Argument names are not part of the specification, and only the arguments of
 
 .. seealso::
    :mod:`sys`
-       Contains the standard IO streams: :data:`sys.stdin`, :data:`sys.stdout`,
+       contains the standard IO streams: :data:`sys.stdin`, :data:`sys.stdout`,
        and :data:`sys.stderr`.