diff --git a/website/source/docs/providers/aws/r/db_instance.html.markdown b/website/source/docs/providers/aws/r/db_instance.html.markdown
index 1dd3a1b5ca..cafd6060e5 100644
--- a/website/source/docs/providers/aws/r/db_instance.html.markdown
+++ b/website/source/docs/providers/aws/r/db_instance.html.markdown
@@ -136,6 +136,7 @@ The following attributes are exported:
 * `status` - The RDS instance status
 * `username` - The master username for the database
 * `storage_encrypted` - Specifies whether the DB instance is encrypted
+* `zone_id` - The canonical hosted zone ID of the DB instance (to be used in a Route 53 Alias record)
 
 On Oracle instances the following is exported additionally: