Issue #19795: Improved more markups of True/False.
diff --git a/Doc/library/subprocess.rst b/Doc/library/subprocess.rst
index 26cf5bc..ad2abe8 100644
--- a/Doc/library/subprocess.rst
+++ b/Doc/library/subprocess.rst
@@ -61,16 +61,16 @@
The *input* argument is passed to :meth:`Popen.communicate` and thus to the
subprocess's stdin. If used it must be a byte sequence, or a string if
- *encoding* or *errors* is specified or *universal_newlines* is True. When
+ *encoding* or *errors* is specified or *universal_newlines* is true. When
used, the internal :class:`Popen` object is automatically created with
``stdin=PIPE``, and the *stdin* argument may not be used as well.
- If *check* is True, and the process exits with a non-zero exit code, a
+ If *check* is true, and the process exits with a non-zero exit code, a
:exc:`CalledProcessError` exception will be raised. Attributes of that
exception hold the arguments, the exit code, and stdout and stderr if they
were captured.
- If *encoding* or *errors* are specified, or *universal_newlines* is True,
+ If *encoding* or *errors* are specified, or *universal_newlines* is true,
file objects for stdin, stdout and stderr are opened in text mode using the
specified *encoding* and *errors* or the :class:`io.TextIOWrapper` default.
Otherwise, file objects are opened in binary mode.
@@ -259,7 +259,7 @@
.. index::
single: universal newlines; subprocess module
- If *encoding* or *errors* are specified, or *universal_newlines* is True,
+ If *encoding* or *errors* are specified, or *universal_newlines* is true,
the file objects *stdin*, *stdout* and *stderr* will be opened in text
mode using the *encoding* and *errors* specified in the call or the
defaults for :class:`io.TextIOWrapper`.