diff --git a/doc/aws-batch.md b/doc/aws-batch.md
index 8769bf81..f00dd79f 100644
--- a/doc/aws-batch.md
+++ b/doc/aws-batch.md
@@ -542,7 +542,7 @@ which only needs to be ephemeral so as not to incur increasing costs.
 [launch template]: https://docs.aws.amazon.com/batch/latest/userguide/launch-templates.html
 [create-launch-template]: https://console.aws.amazon.com/ec2/v2/home?region=us-east-1#LaunchTemplates:
 [batch-launch-template]: https://docs.aws.amazon.com/batch/latest/userguide/launch-templates.html
-[cloud-init user data format]: https://cloudinit.readthedocs.io/en/latest/topics/format.html
+[cloud-init user data format]: https://cloudinit.readthedocs.io/en/latest/explanation/format/user-data-script.html
 [ecs-docker-options]: https://docs.aws.amazon.com/AmazonECS/latest/developerguide/bootstrap_container_instance.html#bootstrap_docker_daemon
 [compute environment launch template]: https://docs.aws.amazon.com/batch/latest/userguide/create-compute-environment-managed-ec2.html
 [EFS volumes]: https://docs.aws.amazon.com/batch/latest/userguide/efs-volumes.html