docs: fix dead link

website/docs/r/rds_cluster_activity_stream.html.markdown

@@ -14,7 +14,7 @@ Database Activity Streams have some limits and requirements, refer to the [Monit
 
 ~> **Note:** This resource always calls the RDS [`StartActivityStream`][2] API with the `ApplyImmediately` parameter set to `true`. This is because the Terraform needs the activity stream to be started in order for it to get the associated attributes.
 
-~> **Note:** This resource depends on having at least one `aws_rds_cluster_instance` created. To avoid race conditions when all resources are being created together, add an explicit resource reference using the [resource `depends_on` meta-argument](/docs/configuration/resources.html#depends_on-explicit-resource-dependencies).
+~> **Note:** This resource depends on having at least one `aws_rds_cluster_instance` created. To avoid race conditions when all resources are being created together, add an explicit resource reference using the [resource `depends_on` meta-argument](https://www.terraform.io/docs/configuration/resources.html#depends_on-explicit-resource-dependencies).
 
 ~> **Note:** This resource is available in all regions except the following: `cn-north-1`, `cn-northwest-1`, `us-gov-east-1`, `us-gov-west-1`