diff --git a/CHANGELOG.md b/CHANGELOG.md
index a26cbe8a2..7d386c799 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,7 +26,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Added tests for response payload ([#347](https://github.com/opensearch-project/opensearch-api-specification/pull/347))
 - Added `cancel_after_time_interval` and `phase_took` in `_search` ([#353](https://github.com/opensearch-project/opensearch-api-specification/pull/353))
 - Added support for testing `application/x-ndjson` payloads ([#355](https://github.com/opensearch-project/opensearch-api-specification/pull/355))
-- Added SPEC_TESTING.md [#359](https://github.com/opensearch-project/opensearch-api-specification/pull/359)
+- Added SPECIFICATION_TESTING.md [#359](https://github.com/opensearch-project/opensearch-api-specification/pull/359)
 
 ### Changed
 
diff --git a/DEVELOPER_GUIDE.md b/DEVELOPER_GUIDE.md
index a3661c1ff..7d24cba10 100644
--- a/DEVELOPER_GUIDE.md
+++ b/DEVELOPER_GUIDE.md
@@ -149,7 +149,7 @@ This repository includes several OpenAPI Specification Extensions to fill in any
 
 ## Writing Spec Tests
 
-To assure the correctness of the spec, you must add tests for the spec, when making changes. Check [SPEC_TESTING.md](SPEC_TESTING.md) for more information.
+To assure the correctness of the spec, you must add tests for the spec, when making changes. Check [SPECIFICATION_TESTING.md](SPECIFICATION_TESTING) for more information.
 
 ## Tools
 
diff --git a/SPEC_TESTING.md b/SPECIFICATION_TESTING.md
similarity index 92%
rename from SPEC_TESTING.md
rename to SPECIFICATION_TESTING.md
index 68933a2a4..15afa704b 100644
--- a/SPEC_TESTING.md
+++ b/SPECIFICATION_TESTING.md
@@ -1,14 +1,14 @@
 <!-- TOC -->
-* [SPEC TESTING](#spec-testing)
+* [Specification Testing](#specification-testing)
   * [Running Spec Tests Locally](#running-spec-tests-locally)
   * [Writing Spec Tests](#writing-spec-tests)
     * [Simple Test Story](#simple-test-story)
     * [Using Output from Previous Chapters](#using-output-from-previous-chapters)
 <!-- TOC -->
 
-# SPEC TESTING
+# Specification Testing
 
-We devise our own test framework to test the spec against an OpenSearch cluster. We're still adding more features to the framework as the needs arise, and this document will be updated accordingly. This test framework has also been integrated into the repo's CI/CD pipeline. Checkout the [test-spec](.github/workflows/test-spec.yml) workflow for more details.
+We have devised our own test framework to test the spec against an OpenSearch cluster. We're still adding more features to the framework as the needs arise, and this document will be updated accordingly. This test framework has also been integrated into the repo's CI/CD pipeline. Checkout the [test-spec](.github/workflows/test-spec.yml) workflow for more details.
 
 ## Running Spec Tests Locally