diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3fac378ef..a46185ef2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,33 +7,33 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 ## [Unreleased 3.0](https://github.com/opensearch-project/k-NN/compare/2.x...HEAD)
 ### Features
 ### Enhancements
-* Introducing a loading layer in FAISS [#2033](https://github.com/opensearch-project/k-NN/issues/2033)
-### Bug Fixes 
-* Add DocValuesProducers for releasing memory when close index [#1946](https://github.com/opensearch-project/k-NN/pull/1946)
+### Bug Fixes
 ### Infrastructure
 ### Documentation
-* Fix sed command in DEVELOPER_GUIDE.md to append a new line character '\n'. [#2181](https://github.com/opensearch-project/k-NN/pull/2181)
 ### Maintenance
 ### Refactoring
-* Does not create additional KNNVectorValues in NativeEngines990KNNVectorWriter when quantization is not needed [#2133](https://github.com/opensearch-project/k-NN/pull/2133)
 
 ## [Unreleased 2.x](https://github.com/opensearch-project/k-NN/compare/2.17...2.x)
 ### Features
 * Add AVX512 support to k-NN for FAISS library [#2069](https://github.com/opensearch-project/k-NN/pull/2069)
 ### Enhancements
+* Introducing a loading layer in FAISS [#2033](https://github.com/opensearch-project/k-NN/issues/2033)
 * Add short circuit if no live docs are in segments [#2059](https://github.com/opensearch-project/k-NN/pull/2059)
 * Optimize reduceToTopK in ResultUtil by removing pre-filling and reducing peek calls [#2146](https://github.com/opensearch-project/k-NN/pull/2146)
 * Update Default Rescore Context based on Dimension [#2149](https://github.com/opensearch-project/k-NN/pull/2149)
 * KNNIterators should support with and without filters [#2155](https://github.com/opensearch-project/k-NN/pull/2155)
 * Adding Support to Enable/Disble Share level Rescoring and Update Oversampling Factor[#2172](https://github.com/opensearch-project/k-NN/pull/2172)
 ### Bug Fixes
+* Add DocValuesProducers for releasing memory when close index [#1946](https://github.com/opensearch-project/k-NN/pull/1946)
 * KNN80DocValues should only be considered for BinaryDocValues fields [#2147](https://github.com/opensearch-project/k-NN/pull/2147)
 * Score Fix for Binary Quantized Vector and Setting Default value in case of shard level rescoring is disabled for oversampling factor[#2183](https://github.com/opensearch-project/k-NN/pull/2183)
 * Java Docs Fix For 2.x
 ### Infrastructure
 ### Documentation
+* Fix sed command in DEVELOPER_GUIDE.md to append a new line character '\n'. [#2181](https://github.com/opensearch-project/k-NN/pull/2181)
 ### Maintenance
 * Remove benchmarks folder from k-NN repo [#2127](https://github.com/opensearch-project/k-NN/pull/2127)
 * Fix lucene codec after lucene version bumped to 9.12. [#2195](https://github.com/opensearch-project/k-NN/pull/2195)
 ### Refactoring
+* Does not create additional KNNVectorValues in NativeEngines990KNNVectorWriter when quantization is not needed [#2133](https://github.com/opensearch-project/k-NN/pull/2133)
 * Minor refactoring and refactored some unit test [#2167](https://github.com/opensearch-project/k-NN/pull/2167)