misc: fix security policy sections

Change-Id: I55f576c14b204e8c47eb317a4f0d29d9f9d9aff8

Author: ruiquelhas

SECURITY.md

@@ -10,6 +10,6 @@ We ask that you do not use other channels or contact the project maintainers dir
 
 Security updates will be released on a regular cadence. Many of our projects will typically release security fixes in conjunction with the Oracle Critical Patch Update program. Additional information, including past advisories, is available on our security alerts page at https://www.oracle.com/security-alerts/
 
-# Security-related information
+## Security-related information
 
 We will provide security related information such as a threat model, considerations for secure use, or any known security issues in our documentation. Please note that labs and sample code are intended to demonstrate a concept and may not be sufficiently hardened for production use.