diff --git a/CHANGELOG.md b/CHANGELOG.md
index 768021f..303d0af 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 - Added support for iterative index scans
 - Added casts for arrays to `sparsevec`
-- Improved cost estimation
+- Improved cost estimation for better index selection when filtering
 - Improved performance of HNSW index scans
 - Improved performance of HNSW inserts and on-disk index builds
 - Dropped support for Postgres 12