diff --git a/cli/domain/list.go b/cli/domain/list.go
index 5503bc62f..a68bbe3bf 100644
--- a/cli/domain/list.go
+++ b/cli/domain/list.go
@@ -23,6 +23,11 @@ var DomainListCommand = &cli.Command{
 		internal.DNSProviderFlag,
 	},
 	Description: `
+This command lists all domains managed by a 3rd party provider.
+
+You must specify a zone (e.g. example.com) under which your DNS entries are
+listed. This zone must already be created via the provider web interface or
+using "abra domain create".
 `,
 	Action: func(c *cli.Context) error {
 		zone := c.Args().First()