diff -r fff0c783d3db Doc/library/stdtypes.rst
--- a/Doc/library/stdtypes.rst	Wed May 11 22:25:31 2016 +0300
+++ b/Doc/library/stdtypes.rst	Tue May 31 23:01:31 2016 +0200
@@ -1874,8 +1874,9 @@
    breaks are not included in the resulting list unless *keepends* is given and
    true.
 
-   This method splits on the following line boundaries.  In particular, the
-   boundaries are a superset of :term:`universal newlines`.
+   If the string is a :class:`bytes` object this method splits on the following
+   boundaries. The :term:`universal newlines` approach to splitting lines is
+   used.
 
    +-----------------------+-----------------------------+
    | Representation        | Description                 |
@@ -1886,6 +1887,14 @@
    +-----------------------+-----------------------------+
    | ``\r\n``              | Carriage Return + Line Feed |
    +-----------------------+-----------------------------+
+
+   Otherwise, If the string is :class:`str` object this method additionally splits
+   on the following line boundaries. The boundaries are a superset of
+   :term:`universal newlines`.
+
+   +-----------------------+-----------------------------+
+   | Representation        | Description                 |
+   +=======================+=============================+
    | ``\v`` or ``\x0b``    | Line Tabulation             |
    +-----------------------+-----------------------------+
    | ``\f`` or ``\x0c``    | Form Feed                   |