diff --git a/files/etc/NetworkManager/conf.d/calico.conf b/files/etc/NetworkManager/conf.d/calico.conf
index 490d153..b4ac62a 100644
--- a/files/etc/NetworkManager/conf.d/calico.conf
+++ b/files/etc/NetworkManager/conf.d/calico.conf
@@ -1,2 +1,3 @@
+# https://docs.tigera.io/calico/latest/operations/troubleshoot/troubleshooting#configure-networkmanager
 [keyfile]
-unmanaged-devices=interface-name:cali*;interface-name:tunl*;interface-name:vxlan.calico;interface-name:wireguard.cali
\ No newline at end of file
+unmanaged-devices=interface-name:cali*;interface-name:tunl*;interface-name:vxlan.calico;interface-name:wireguard.cali