detach() is a nifty trick for making std* binary
diff --git a/Doc/library/sys.rst b/Doc/library/sys.rst
index 51c85d4..0d92170 100644
--- a/Doc/library/sys.rst
+++ b/Doc/library/sys.rst
@@ -781,11 +781,10 @@
:func:`os.popen`, :func:`os.system` or the :func:`exec\*` family of functions in
the :mod:`os` module.)
- .. note::
-
- The standard streams are in text mode by default. To write or read binary
- data to these, use the underlying binary buffer. For example, to write
- bytes to :data:`stdout`, use ``sys.stdout.buffer.write(b'abc')``.
+ The standard streams are in text mode by default. To write or read binary
+ data to these, use the underlying binary buffer. For example, to write bytes
+ to :data:`stdout`, use ``sys.stdout.buffer.write(b'abc')``. Using
+ :meth:`io.TextIOWrapper.detach` streams can be made binary by default.
.. data:: __stdin__