diff --git a/armbian/vpn_ac.md b/armbian/vpn_ac.md
index 59993c5..007515e 100644
--- a/armbian/vpn_ac.md
+++ b/armbian/vpn_ac.md
@@ -12,7 +12,7 @@ This is an adaptation of the [PIA](pia.md) setup but for vpn.ac instead.
 
 - [https://vpn.ac/ovpn](https://vpn.ac/ovpn)
 
-## Pep Work
+## Prep Work
 
 Download OpenVPN configs, drop them in a good place on the filesystem and script import.
 
@@ -108,3 +108,7 @@ nmcli con up [uuid_from_above]
 - us-central_chicago-aes256-udp.ovpn
 - us-east_new-york-aes256-udp.ovpn
 - us-west_seattle-aes256-udp.ovpn
+
+## Check for DNS leaks
+
+https://ipx.ac/ (tool provided by VPN.ac)