diff --git a/resource_dns_managed_zone.go b/resource_dns_managed_zone.go
index 6d76c0c4..0ef813ef 100644
--- a/resource_dns_managed_zone.go
+++ b/resource_dns_managed_zone.go
@@ -32,6 +32,7 @@ func resourceDnsManagedZone() *schema.Resource {
 				Type:     schema.TypeString,
 				Optional: true,
 				ForceNew: true,
+				Default:  "Managed by Terraform",
 			},
 
 			"name_servers": &schema.Schema{
diff --git a/resource_dns_managed_zone_test.go b/resource_dns_managed_zone_test.go
index b90fc869..c136c8e1 100644
--- a/resource_dns_managed_zone_test.go
+++ b/resource_dns_managed_zone_test.go
@@ -80,5 +80,4 @@ var testAccDnsManagedZone_basic = fmt.Sprintf(`
 resource "google_dns_managed_zone" "foobar" {
 	name = "mzone-test-%s"
 	dns_name = "terraform.test."
-	description = "Test Description"
 }`, acctest.RandString(10))