doc: Updates for Public Preview. (#1280)

Author: erabil-mdb

cfn-resources/resource-policy/README.md

@@ -9,13 +9,12 @@ Resource for managing [Resource Policies](https://www.mongodb.com/docs/atlas/ref
 Set up an AWS profile to securely give CloudFormation access to your Atlas credentials.
 For instructions on setting up a profile, [see here](/README.md#mongodb-atlas-api-keys-credential-management).
 
-**NOTE:** Resource Policies is currently in Private Preview, if you want to use it, contact [MongoDB Support](https://www.mongodb.com/services/support) to enable `Atlas Resource Policies` Preview Feature in your organization.
+**NOTE:** Resource Policies is currently in Public Preview, if you want to use it, contact [MongoDB Support](https://www.mongodb.com/services/support) to enable `Atlas Resource Policies` Preview Feature in your organization.
 
 ## Attributes and Parameters
 
 See the [resource docs](./docs/README.md).
 
 ## CloudFormation Examples
 
-See the examples [CFN Template](/examples/project-invitation/project-invitation.json) for example resource.
-
+See the examples [CFN Template](/examples/resource-policy/resource-policy.json) for example resource.