diff --git a/CHANGELOG.md b/CHANGELOG.md
index 612be58d57e..381b6754c10 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -23,6 +23,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Added `top_k` argument to `RetrievalMRR` in retrieval package ([#1961](https://github.com/Lightning-AI/torchmetrics/pull/1961))
 
 
+- Added warning to `MeanAveragePrecision` if too many detections are observed ([#1978](https://github.com/Lightning-AI/torchmetrics/pull/1978))
+
+
 ### Changed
 
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