diff -r f51921883f50 Doc/library/argparse.rst
--- a/Doc/library/argparse.rst	Sun Oct 04 01:19:36 2015 -0400
+++ b/Doc/library/argparse.rst	Sun Oct 04 21:53:29 2015 +0100
@@ -730,8 +730,8 @@
     Namespace(foo=42)
 
 * ``'store_true'`` and ``'store_false'`` - These store the values ``True`` and
-  ``False`` respectively.  These are special cases of ``'store_const'``.  For
-  example::
+  ``False`` respectively (Note that these default to ``False`` and ``True``
+  respectively).  These are special cases of ``'store_const'``.  For example::
 
     >>> parser = argparse.ArgumentParser()
     >>> parser.add_argument('--foo', action='store_true')