Add whatsnew info

Author: miguelmarques1904

doc/source/whatsnew/v1.1.0.rst

@@ -236,6 +236,7 @@ Other enhancements
   and :class:`~pandas.io.stata.StataWriterUTF8` (:issue:`26599`).
 - :meth:`HDFStore.put` now accepts `track_times` parameter. Parameter is passed to ``create_table`` method of ``PyTables`` (:issue:`32682`).
 - Make :class:`pandas.core.window.Rolling` and :class:`pandas.core.window.Expanding` iterable（:issue:`11704`)
+- :meth:`read_excel` now checks if the engine passed as an argument can process the file provided and outputs a suggestion if it cannot (:issue:`34237`).
 
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