diff --git a/CHANGELOG.md b/CHANGELOG.md
index 050780777..dd3f5b5c7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-- Nothing yet!
+- Add negative spacing values to inset plugin in the `extendedSpacingScale` experiment ([#2358](https://github.com/tailwindlabs/tailwindcss/pull/2368))
 
 ## [1.8.8] - 2020-09-11