diff --git a/changelog.md b/changelog.md
index 9c1400b..d1a9869 100644
--- a/changelog.md
+++ b/changelog.md
@@ -18,4 +18,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Metrics module with `Metric` protocol, `AggregateStats`, and `BatchResult` types
 - BLEU metric implementation (BLEU-1 through BLEU-4 with brevity penalty)
 - Lexical similarity metric (Jaccard similarity and token overlap)
+- ROUGE metric (ROUGE-1, ROUGE-2, ROUGE-L with precision/recall/F-measure)
+- Flesch-Kincaid readability metrics (grade level and reading ease)
 - Batch scoring with aggregate statistics for all metrics