Small fix to potentially confusing debug message

node/acme/manager.go

@@ -129,7 +129,7 @@ func (m *Manager) setCert(cert *Cert) error {
 	m.cert = cert
 	m.tlsCert = tlsCert
 	m.renewalDeadline = cert.NotAfter().AddDate(0, 0, -renewalDays)
-	log.Printf("acme: updated certificate (renewal deadline: %s)", m.renewalDeadline.Format(time.Stamp))
+	log.Printf("acme: found certificate (renewal deadline: %s)", m.renewalDeadline.Format(time.Stamp))
 	m.mx.Unlock()
 
 	return nil