diff --git a/CHANGES.rst b/CHANGES.rst
index 83cd8633de..e1eadbd73d 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -64,6 +64,11 @@ simbad
 
 - Fixed non existing flux filters as votable fields would fail silently [#3186]
 
+ipac.nexsci.nasa_exoplanet_archive
+^^^^^^
+
+- Add missing unit strings to unit mapper. ``micron``, ``microns``, ``hour``, and ``uas``. [#3187]
+
 
 Infrastructure, Utility and Other Changes and Additions
 -------------------------------------------------------