diff --git a/acme/order.go b/acme/order.go
index 99dffb89..29bbfe39 100644
--- a/acme/order.go
+++ b/acme/order.go
@@ -301,8 +301,8 @@ func (o *order) finalize(db nosql.DB, csr *x509.CertificateRequest, auth SignAut
 
 	// Validate identifier names against CSR alternative names.
 	//
-	// Note that with certificate templates we are not going to check for the no
-	// presence of other SANs as they will only be set if the templates allows
+	// Note that with certificate templates we are not going to check for the
+	// absence of other SANs as they will only be set if the templates allows
 	// them.
 	if len(csr.DNSNames) != len(orderNames) {
 		return nil, BadCSRErr(errors.Errorf("CSR names do not match identifiers exactly: CSR names = %v, Order names = %v", csr.DNSNames, orderNames))