Add changelog entry

cta-observatory · Sep 4, 2023 · a8ea8c6 · a8ea8c6
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diff --git a/docs/changes/2376.api.rst b/docs/changes/2376.api.rst
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+Change the fill value for invalid telescope ids in ``SubarrayDescription.tel_index_array``
+from ``-1`` to ``np.iinfo(int).minval`` to prevent ``-1`` being used as an index resulting in the last element being used for invalid telescope ids.