diff --git a/CHANGELOG.md b/CHANGELOG.md
index b402c29529e274ce7ac37ba4545eeb64836c3d1e..69aca1ab47cfb622d764e64854a9a267ca24fa69 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -42,6 +42,7 @@ release.
 - Report better information regarding the behavior of <i>findfeatures</i>, FASTGEOM algorithms, and creation of the output network. [#4772](https://github.com/DOI-USGS/ISIS3/issues/4772)
 - Modified tgocassisstitch to optionally allow either a outputprefix or an
   outputsuffix, both, or neither for naming convention purposes. [#5162](https://github.com/DOI-USGS/ISIS3/pull/5162)
+- Changed the default PCK load behavior to try and load mission specific PCKs, if that fails we default to the base PCKs [#5335](https://github.com/DOI-USGS/ISIS3/pull/5335)
 
 ### Added
 - Added rclone to run dependencies in meta.yaml [#5183](https://github.com/DOI-USGS/ISIS3/issues/5183)