Fix whatsnew entry

Author: roberthdevries

doc/source/whatsnew/v1.1.0.rst

@@ -87,8 +87,8 @@ Other enhancements
 - Positional slicing on a :class:`IntervalIndex` now supports slices with ``step > 1`` (:issue:`31658`)
 - :class:`Series.str` now has a `fullmatch` method that matches a regular expression against the entire string in each row of the series, similar to `re.fullmatch` (:issue:`32806`).
 - :meth:`DataFrame.sample` will now also allow array-like and BitGenerator objects to be passed to ``random_state`` as seeds (:issue:`32503`)
-- :meth:`to_csv` now accepts an ``error`` argument (:issue:`22610`)
--
+- :meth:`DataFrame.to_csv` and :meth:`Series.to_csv` now accept an ``error`` argument (:issue:`22610`)
+
 
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