Update the whatsnew entry to reflect the changed behavior

Author: roberthdevries

doc/source/whatsnew/v1.1.0.rst

@@ -340,7 +340,7 @@ I/O
 - Bug in :class:`HDFStore` that caused it to set to ``int64`` the dtype of a ``datetime64`` column when reading a DataFrame in Python 3 from fixed format written in Python 2 (:issue:`31750`)
 - Bug in :meth:`read_excel` where a UTF-8 string with a high surrogate would cause a segmentation violation (:issue:`23809`)
 - Bug in :meth:`read_csv` was causing a file descriptor leak on an empty file (:issue:`31488`)
-- :meth:`HDFStore.keys` has now an optional `kind` parameter that allows the retrieval of all native HDF5 table names (:issue:`29916`)
+- :meth:`HDFStore.keys` now tries to get the list of native pandas tables first, and if there are none, it gets the native HDF5 table names (:issue:`29916`)
 
 
 Plotting