#9139: the thousands separator is new in 2.7. Also add a missing variable in the example.
diff --git a/Doc/library/string.rst b/Doc/library/string.rst
index cd56737..2cf8d01 100644
--- a/Doc/library/string.rst
+++ b/Doc/library/string.rst
@@ -378,6 +378,9 @@
For a locale aware separator, use the ``'n'`` integer presentation type
instead.
+.. versionchanged:: 2.7
+ Added the ``','`` option (see also :pep:`378`).
+
*width* is a decimal integer defining the minimum field width. If not
specified, then the field width will be determined by the content.
@@ -531,6 +534,7 @@
Accessing arguments' attributes::
+ >>> c = 3-5j
>>> ('The complex number {0} is formed from the real part {0.real} '
... 'and the imaginary part {0.imag}.').format(c)
'The complex number (3-5j) is formed from the real part 3.0 and the imaginary part -5.0.'