doc: add regions to notice

Author: iru

README.md

@@ -42,7 +42,9 @@ For other Cloud providers check: [GCP](https://github.com/sysdiglabs/terraform-g
 
 ### Notice
 
+* [AWS regions](https://docs.aws.amazon.com/general/latest/gr/rande.html#regional-endpoints)
 * **Resource creation inventory** Find all the resources created by Sysdig examples in the resource-group `sysdig-secure-for-cloud` (AWS Resource Group & Tag Editor) <br/><br/>
+* All Sysdig Secure for Cloud features but [Image Scanning](https://docs.sysdig.com/en/docs/sysdig-secure/scanning/) are enabled by default. You can enable it through `deploy_scanning` input variable parameters.<br/>
 * **Deployment cost** This example will create resources that cost money.<br/>Run `terraform destroy` when you don't need them anymore
 
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