diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7155cc66e..30dd1f3a5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Improved the color assignment in the chart of the holdings tab on the home page (experimental)
 - Improved the language localization for Catalan (`ca`)
+- Improved the language localization for Spanish (`es`)
 
 ## 2.99.0 - 2024-07-29