solve doc error

Author: hasnain2808

doc/source/whatsnew/v1.1.0.rst

@@ -289,6 +289,7 @@ Other enhancements
 - Make :class:`pandas.core.window.Rolling` and :class:`pandas.core.window.Expanding` iterable（:issue:`11704`)
 - Make ``option_context`` a :class:`contextlib.ContextDecorator`, which allows it to be used as a decorator over an entire function (:issue:`34253`).
 - :meth:`~pandas.io.json.read_json` now accepts `nrows` parameter. (:issue:`33916`).
+
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 Increased minimum versions for dependencies