fix whatsnew

pvlib · wholmgren · Sep 8, 2020 · Sep 7, 2020 · Sep 7, 2020 · Sep 7, 2020
commit 5b1bd21ff338c3b9b8e8459b989e09fd3ddf6d8b
diff --git a/docs/sphinx/source/whatsnew/v0.8.0.rst b/docs/sphinx/source/whatsnew/v0.8.0.rst
@@ -32,10 +32,11 @@ API Changes with Deprecations
   glass/glass module in open racking and emit a warning. In v0.9, users must
   provide ``temperature_model_parameters`` or a valid combination of
   ``module_type`` and ``racking_model``. (:issue:`1030`, :pull:`1033`)
-* :py:class:`pvlib.location.Location`, :py:class:`pvlib.pvsystem.PVSystem`,
+* Deprecated arbitrary keyword arguments for
+  :py:class:`pvlib.location.Location`, :py:class:`pvlib.pvsystem.PVSystem`,
   :py:class:`pvlib.tracking.SingleAxisTracker`, and
-  :py:class:`pvlib.modelchain.ModelChain`, no longer accept arbitrary keyword
-  arguments. (:issue:`1029`, :pull:`1053`)
+  :py:class:`pvlib.modelchain.ModelChain`. Supplying arbitrary keyword
+  to these objects will result in TypeErrors in v0.9. (:issue:`1029`, :pull:`1053`)
 * ``pvlib.pvsystem.LocalizedPVSystem`` and ``pvlib.pvsystem.LocalizedSingleAxisTracker``
   are deprecated and will be removed in 0.9. Use
   :py:class:`pvlib.location.Location`, :py:class:`pvlib.pvsystem.PVSystem`,