Update v0.13.1.rst

AdamRJensen · AdamRJensen · commit 2a0fb08fc01e · 2025-06-08T16:27:17.000-04:00
diff --git a/docs/sphinx/source/whatsnew/v0.13.1.rst b/docs/sphinx/source/whatsnew/v0.13.1.rst
@@ -10,7 +10,9 @@ Breaking Changes
 
 Deprecations
 ~~~~~~~~~~~~
-
+* Rename parameter name ``aparent_zenith`` to ``solar_zenith`` and ``aparent_azimuth``
+  to ``solar_azimuth`` in :py:func:`~pvlib.tracking.singleaxis`.
+  (:issue:`2479`, :pull:`2480`)
 
 Bug fixes
 ~~~~~~~~~
