Fix typo in changelog

CHANGELOG.md

@@ -66,7 +66,7 @@ IMPROVEMENTS:
 * resource/aws_efs_file_system: Expose `dns_name` ([#1825](https://github.com/terraform-providers/terraform-provider-aws/issues/1825))
 * resource/aws_security_group+aws_security_group_rule: Add support for rule description ([#1587](https://github.com/terraform-providers/terraform-provider-aws/issues/1587))
 * resource/aws_emr_cluster: enable configuration of ebs root volume size ([#1375](https://github.com/terraform-providers/terraform-provider-aws/issues/1375))
-* resource/aws_aws_ami: Add `root_snapshot_id` attribute ([#1572](https://github.com/terraform-providers/terraform-provider-aws/issues/1572))
+* resource/aws_ami: Add `root_snapshot_id` attribute ([#1572](https://github.com/terraform-providers/terraform-provider-aws/issues/1572))
 * resource/aws_vpn_connection: Mark preshared keys as sensitive ([#1850](https://github.com/terraform-providers/terraform-provider-aws/issues/1850))
 * resource/aws_codedeploy_deployment_group: Support blue/green and in-place deployments with traffic control ([#1162](https://github.com/terraform-providers/terraform-provider-aws/issues/1162))
 * resource/aws_elb: Update ELB idle timeout to 4000s ([#1861](https://github.com/terraform-providers/terraform-provider-aws/issues/1861))