diff --git a/README.md b/README.md
index 6417b87..ec7251b 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,8 @@ installare in debian 12
 
 poi fare il reboot 
 
+riferimento [link hauppauge](https://www.hauppauge.it/site/support/linux.html#tabs-3)
+
 per verificare
     sudo dmesg | egrep -i '(ivtv|tveeprom|tuner|dualhd|em28xx)'