diff --git a/.github/pull_request_template.md b/.github/pull_request_template.md
index 4537cadf71074..f54aa394cf83f 100644
--- a/.github/pull_request_template.md
+++ b/.github/pull_request_template.md
@@ -1,3 +1,10 @@
+<!--  Thanks for sending a pull request, here are some tips:
+
+1. If this is a fix for an undisclosed security vulnerability, please STOP. All security vulnerability reporting and fixes should be done as per our security policy https://github.com/opensearch-project/OpenSearch/security/policy
+2. If this is your first time, please read our contributor guidelines: https://github.com/opensearch-project/OpenSearch/blob/main/CONTRIBUTING.md and developer guide https://github.com/opensearch-project/OpenSearch/blob/main/DEVELOPER_GUIDE.md
+3. Ensure you have added or ran the appropriate tests for your PR: https://github.com/opensearch-project/OpenSearch/blob/main/TESTING.md
+-->
+
 ### Description
 [Describe what this change achieves]
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d342489dc9895..4923becc2488c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -36,6 +36,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Add groupId value propagation tests for ZIP publication task ([#4772](https://github.com/opensearch-project/OpenSearch/pull/4772))
 - Add support for GeoJson Point type in GeoPoint field ([#4597](https://github.com/opensearch-project/OpenSearch/pull/4597))
 - Add dev guide for dealing with flakey tests ([4868](https://github.com/opensearch-project/OpenSearch/pull/4868))
+- Update pull request template ([#4851](https://github.com/opensearch-project/OpenSearch/pull/4851))
 
 ### Dependencies
 - Bumps `log4j-core` from 2.18.0 to 2.19.0
@@ -153,7 +154,6 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Fix recovery path for searchable snapshots ([4813](https://github.com/opensearch-project/OpenSearch/pull/4813))
 - Fix bug in AwarenessAttributeDecommissionIT([4822](https://github.com/opensearch-project/OpenSearch/pull/4822))
 - Fix 'org.apache.hc.core5.http.ParseException: Invalid protocol version' under JDK 16+ ([#4827](https://github.com/opensearch-project/OpenSearch/pull/4827))
-- Compatibility issue with /_mget: RHLC 2.x connected to OpenSearch Cluster 1.x ([#4812](https://github.com/opensearch-project/OpenSearch/pull/4812))
 
 ### Security
 - CVE-2022-25857 org.yaml:snakeyaml DOS vulnerability ([#4341](https://github.com/opensearch-project/OpenSearch/pull/4341))