diff --git a/roles/tailscale/templates/iiab-vpn b/roles/tailscale/templates/iiab-vpn
index 2bdc964af..2b02a7119 100755
--- a/roles/tailscale/templates/iiab-vpn
+++ b/roles/tailscale/templates/iiab-vpn
@@ -1,6 +1,10 @@
 #!/bin/bash
 
-# USEFUL DOC: https://tailscale.com/kb/1080/cli#status
+# USEFUL DOCS:
+# https://tailscale.com/kb/1080/cli#status
+# https://headscale.net/android-client/
+# https://headscale.net/apple-client/
+# https://headscale.net/windows-client/
 
 VPN_URL=https://iiab.net
 VPN_KEY="$1"