update note with bold

Author: ivikramsahu

release-notes/platform.md

@@ -25,12 +25,12 @@ These release notes describe recent changes to Harness Platform.
 ## Important feature change notice
 
 :::danger OIDC ID Token API Access Update (Effective October 20, 2025)
-To strengthen security and reduce potential risks, the [OIDC ID token–related APIs](https://apidocs.harness.io/openapi-merged/oidc-id-token) will be made internal to Harness and will no longer be available for direct access.
+To strengthen security and reduce potential risks, the [OIDC ID token–related APIs](https://apidocs.harness.io/openapi-merged/oidc-id-token) will be made **internal to Harness** and will no longer be available for direct access.
 
 - **Previous behaviour**: OIDC ID token APIs can be directly accessed.
-- **New behaviour**: These APIs can only be used through the Harness Connector for OIDC-based authentication with external platforms (e.g., HashiCorp Vault, AWS).
+- **New behaviour**: These APIs can only be used **through the Harness Connector** for OIDC-based authentication with external platforms (e.g., HashiCorp Vault, AWS).
 
-**Action Required**: If you are directly invoking OIDC ID token APIs, update your automation to use the connector before this change takes effect on October 20, 2025.
+**Action Required**: If you are directly invoking OIDC ID token APIs, update your automation to use the connector before this change takes effect on **October 20, 2025**.
 :::