update README.md

README.md

@@ -134,7 +134,7 @@ Here are some examples of how you can use this module in your inventory structur
 | environment | Environment (e.g. `prod`, `dev`, `staging`). | `string` | `""` | no |
 | fifo\_queue | Boolean designating a FIFO queue. | `bool` | `false` | no |
 | kms\_data\_key\_reuse\_period\_seconds | The length of time, in seconds, for which Amazon SQS can reuse a data key to encrypt or decrypt messages before calling AWS KMS again. An integer representing seconds, between 60 seconds (1 minute) and 86,400 seconds (24 hours). | `number` | `300` | no |
-| kms\_master\_key\_id | The ID of an AWS-managed customer master key (CMK) for Amazon SQS or a custom CMK. | `string` | `""` | no |
+| kms\_master\_key\_id | The ID of an AWS-managed customer master key (CMK) for Amazon SQS or a custom CMK. | `string` | `null` | no |
 | label\_order | Label order, e.g. `name`,`application`. | `list(any)` | `[]` | no |
 | managedby | ManagedBy, eg 'CloudDrove'. | `string` | `"hello@clouddrove.com"` | no |
 | max\_message\_size | The limit of how many bytes a message can contain before Amazon SQS rejects it. An integer from 1024 bytes (1 KiB) up to 262144 bytes (256 KiB). | `number` | `262144` | no |
@@ -144,6 +144,7 @@ Here are some examples of how you can use this module in your inventory structur
 | receive\_wait\_time\_seconds | The time for which a ReceiveMessage call will wait for a message to arrive (long polling) before returning. An integer from 0 to 20 (seconds). | `number` | `0` | no |
 | redrive\_policy | The JSON policy to set up the Dead Letter Queue, see AWS docs. Note: when specifying maxReceiveCount, you must specify it as an integer (5), and not a string ("5"). | `string` | `""` | no |
 | repository | Terraform current module repo | `string` | `"https://github.com/clouddrove/terraform-aws-sqs"` | no |
+| sqs\_managed\_sse\_enabled | Boolean to enable server-side encryption (SSE) of message content with SQS-owned encryption keys. | `bool` | `false` | no |
 | tags | Additional tags (e.g. map(`BusinessUnit`,`XYZ`). | `map(any)` | `{}` | no |
 | visibility\_timeout\_seconds | The visibility timeout for the queue. An integer from 0 to 43200 (12 hours). | `number` | `30` | no |