Change description of float('nan') feature; NaNs don't care much about
signs, and float('nan'), float('+nan') and float('-nan') actually all
generate the exact same NaN value.
diff --git a/Doc/whatsnew/2.6.rst b/Doc/whatsnew/2.6.rst
index 6f1f157..3e6190c 100644
--- a/Doc/whatsnew/2.6.rst
+++ b/Doc/whatsnew/2.6.rst
@@ -1374,8 +1374,8 @@
of the zero. (Fixed by Mark T. Dickinson; :issue:`1507`)
* More floating-point features were also added. The :func:`float` function
- will now turn the strings ``+nan`` and ``-nan`` into the corresponding
- IEEE 754 Not A Number values, and ``+inf`` and ``-inf`` into
+ will now turn the string ``nan`` into an
+ IEEE 754 Not A Number value, and ``+inf`` and ``-inf`` into
positive or negative infinity. This works on any platform with
IEEE 754 semantics. (Contributed by Christian Heimes; :issue:`1635`.)