Update README.md

Author: earlduque

README.md

@@ -2,6 +2,10 @@
 
 Open-Sourced community contributed and owned repository for Instance Scan Definitions. [ServiceNow Instance Scan](https://docs.servicenow.com/bundle/rome-servicenow-platform/page/administer/health-scan/reference/hs-landing-page.html) The checks contained in this repository are therefore considered "use at your own risk" and will rely on the open-source community to help drive fixes and feature enhancements via Issues and community members issuing and reviewing PRs. ServiceNow is not providing or authenticating these definitions. Occasionally, ServiceNow employees may choose to contribute to the open-source project as members of the community as they see fit, this does not constitute a service or product from ServiceNow.
 
+🔔🔔🔔<br>
+***CONTRIBUTORS must follow all guidelines in [CONTRIBUTING.md](CONTRIBUTING.md)*** or run the risk of having your Pull Requests labeled as spam.<br>
+🔔🔔🔔
+
 # Checks in this repository
 
 ## Category: Manageability