Address comments from Tom

Author: miker985

doc/source/whatsnew/v0.24.0.txt

@@ -382,7 +382,7 @@ Deprecations
 - :meth:`DataFrame.to_stata`, :meth:`read_stata`, :class:`StataReader` and :class:`StataWriter` have deprecated the ``encoding`` argument.  The encoding of a Stata dta file is determined by the file type and cannot be changed (:issue:`21244`).
 - :meth:`MultiIndex.to_hierarchical` is deprecated and will be removed in a future version  (:issue:`21613`)
 - :meth:`Series.ptp` is deprecated. Use ``numpy.ptp`` instead (:issue:`21614`)
-- :meth:`Categorical.from_codes` has deprecated providing float values for the ``codes`` argument.
+- :meth:`Categorical.from_codes` has deprecated providing float values for the ``codes`` argument. (:issue:`21767`)
 
 .. _whatsnew_0240.prior_deprecations:
 
@@ -430,7 +430,7 @@ Bug Fixes
 Categorical
 ^^^^^^^^^^^
 
-- Bug in :meth:`Categorical.from_codes` where ``NaN`` values in `codes` were silently converted to ``0`` (:issue:`21767`)
+- Bug in :meth:`Categorical.from_codes` where ``NaN`` values in `codes` were silently converted to ``0`` (:issue:`21767`). In the future this will raise a ``ValueError``. Also changes the behavior of `.from_codes([1.1, 2.0])`.
 
 Datetimelike
 ^^^^^^^^^^^^