update README

Author: James Zhou

src/aws/cis-1.4.0/README.md

@@ -82,7 +82,8 @@ Policy Pack based on the [AWS Foundations 1.4.0](https://docs.aws.amazon.com/aud
 | AWS CIS 2.1.2 | Ensure S3 Bucket Policy allows HTTPS requests                                                                               |
 | AWS CIS 2.1.3 | Ensure MFA Delete is enable on S3 buckets                                                                                   |
 | AWS CIS 2.1.4 | Ensure all data in Amazon S3 has been discovered, classified and secured when required.                                     |
-| AWS CIS 2.1.5 | Ensure that S3 Buckets are configured with 'Block public access (bucket settings)'                                          |
+| AWS CIS 2.1.5.1 | Ensure that S3 Buckets are configured with 'Block public access (account settings)'                                       |
+| AWS CIS 2.1.5.2 | Ensure that S3 Buckets are configured with 'Block public access (bucket settings)'                                        |
 | AWS CIS 2.2.1 | Ensure EBS volume encryption is enabled                                                                                     |
 | AWS CIS 2.3.1 | Ensure that encryption is enabled for RDS Instances                                                                         |
 | AWS CIS 3.1   | Ensure CloudTrail is enabled in all regions                                                                                 |