Fix outdated count of the number of new math module functions.
diff --git a/Doc/whatsnew/2.6.rst b/Doc/whatsnew/2.6.rst
index 4b065eb..3d1ea51 100644
--- a/Doc/whatsnew/2.6.rst
+++ b/Doc/whatsnew/2.6.rst
@@ -1344,7 +1344,7 @@
:func:`isnan`, return true if their floating-point argument is
infinite or Not A Number. (:issue:`1640`)
-* The :mod:`math` module has seven new functions, and the existing
+* The :mod:`math` module has a number of new functions, and the existing
functions have been improved to give more consistent behaviour
across platforms, especially with respect to handling of
floating-point exceptions and IEEE 754 special values.