jplhorizons: Fix Changelog entry to refer to PR not issue number [skip ci]
@@ -92,7 +92,7 @@ irsa_dust
jplhorizons
^^^^^^^^^^^
-- fix for changes in HORIZONS return results after 2020 Jan 21 update [#1619]
+- fix for changes in HORIZONS return results after 2020 Jan 21 update [#1620]
jplsbdb
^^^^^^^
