diff --git a/Documentation/cloud-config.md b/Documentation/cloud-config.md
index 2963b80..e5e4415 100644
--- a/Documentation/cloud-config.md
+++ b/Documentation/cloud-config.md
@@ -68,7 +68,7 @@ Environment="ETCD_PEER_ADDR=192.0.2.13:7001"
 For more information about the available configuration parameters, see the [etcd documentation][etcd-config].
 Note that hyphens in the coreos.etcd.* keys are mapped to underscores.
 
-_Note: The `$private_ipv4` and `$public_ipv4` substitution variables referenced in other documents are only supported on Amazon EC2, Google Compute Engine, OpenStack, Rackspace, and Vagrant._
+_Note: The `$private_ipv4` and `$public_ipv4` substitution variables referenced in other documents are only supported on Amazon EC2, Google Compute Engine, OpenStack, Rackspace, DigitalOcean, and Vagrant._
 
 [etcd-config]: https://github.com/coreos/etcd/blob/master/Documentation/configuration.md