diff --git a/CHANGELOG.md b/CHANGELOG.md
index 085eb33..c1d50c0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 <!-- next-header -->
 ## [Unreleased] - ReleaseDate
 
+#### Performance
+
+- Sped up `KString::clone()`
+
 ## [1.0.2] - 2021-07-06
 
 #### Features