diff --git a/changelog.md b/changelog.md
index 0b8a406..8d79cf6 100644
--- a/changelog.md
+++ b/changelog.md
@@ -9,6 +9,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+
+- `validateOrFail` now filters nested structs and arrays to only return keys matching constraints, not just top-level keys (PR #85)
+
 ## [4.6.0] - 2025-09-18
 
 ### Fixed