diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5ea3c1c..a0e5071 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+### Added
+- Document `site.copyright` override for customizing footer copyright text.
+
 ### Changed
 - Update GitHub issue templates.