Link to docs in whatsnew entry

Author: wence-

doc/source/whatsnew/v2.1.0.rst

@@ -298,7 +298,7 @@ Deprecations
 - Deprecated parameter ``obj`` in :meth:`GroupBy.get_group` (:issue:`53545`)
 - Deprecated positional indexing on :class:`Series` with :meth:`Series.__getitem__` and :meth:`Series.__setitem__`, in a future version ``ser[item]`` will *always* interpret ``item`` as a label, not a position (:issue:`50617`)
 - Deprecated strings ``T``, ``t``, ``L`` and ``l`` denoting units in :func:`to_timedelta` (:issue:`52536`)
-- Deprecated support for returning a tuple from a callable in ``iloc``-indexing. Place callables inside a tuple if you need to generate row and column indices using functions (:issue:`53533`)
+- Deprecated support for returning a tuple from a callable in ``iloc``-indexing. See :ref:`Selection by Position <indexing.integer>` for details (:issue:`53533`)
 - Deprecated the "method" and "limit" keywords on :meth:`Series.fillna`, :meth:`DataFrame.fillna`, :meth:`SeriesGroupBy.fillna`, :meth:`DataFrameGroupBy.fillna`, and :meth:`Resampler.fillna`, use ``obj.bfill()`` or ``obj.ffill()`` instead (:issue:`53394`)
 - Deprecated the ``method`` and ``limit`` keywords in :meth:`DataFrame.replace` and :meth:`Series.replace` (:issue:`33302`)
 - Deprecated values "pad", "ffill", "bfill", "backfill" for :meth:`Series.interpolate` and :meth:`DataFrame.interpolate`, use ``obj.ffill()`` or ``obj.bfill()`` instead (:issue:`53581`)

pandas/tests/frame/indexing/test_indexing.py

@@ -1001,6 +1001,7 @@ def test_single_element_ix_dont_upcast(self, float_frame):
         tm.assert_series_equal(result, expected)
 
     def test_iloc_callable_tuple_return_value(self):
+        # GH53769
         df = DataFrame(np.random.randn(10, 4), index=range(0, 20, 2))
         msg = "callable in iLocation indexing is deprecated"
         with tm.assert_produces_warning(FutureWarning, match=msg):