diff --git a/syslinux.md b/syslinux.md
index 8273638..9b72ab7 100644
--- a/syslinux.md
+++ b/syslinux.md
@@ -1,10 +1,14 @@
 
 # Network booting
 
-witout GRUB
+without GRUB
+
+https://www.youtube.com/watch?v=U3RC20ANomk
 
 `apt install dnsmasq`
 
+`/etc/dnsmasq.conf`
+
 ```
 interface=<your interface>,lo
 bind-interfaces