bpo-35450: reflect in docs that venv module is not always creating a copy of the Python binary (GH-11144) (GH-11167)

https://bugs.python.org/issue35450
(cherry picked from commit f5107dfd42121ef40b13eb678705802f0ff02cf9)

Co-authored-by: mkkot <marcin2006@gmail.com>
diff --git a/Doc/using/venv-create.inc b/Doc/using/venv-create.inc
index 45abd59..ba5096a 100644
--- a/Doc/using/venv-create.inc
+++ b/Doc/using/venv-create.inc
@@ -7,9 +7,10 @@
 directories that don't exist already) and places a ``pyvenv.cfg`` file in it
 with a ``home`` key pointing to the Python installation from which the command
 was run.  It also creates a ``bin`` (or ``Scripts`` on Windows) subdirectory
-containing a copy of the ``python`` binary (or binaries, in the case of
-Windows).  It also creates an (initially empty) ``lib/pythonX.Y/site-packages``
-subdirectory (on Windows, this is ``Lib\site-packages``). If an existing
+containing a copy/symlink of the Python binary/binaries (as appropriate for the
+platform or arguments used at environment creation time). It also creates an
+(initially empty) ``lib/pythonX.Y/site-packages`` subdirectory
+(on Windows, this is ``Lib\site-packages``). If an existing
 directory is specified, it will be re-used.
 
 .. deprecated:: 3.6