diff --git a/dnscrypt-proxy/example-dnscrypt-proxy.toml b/dnscrypt-proxy/example-dnscrypt-proxy.toml
index 07c863d5..124109ef 100644
--- a/dnscrypt-proxy/example-dnscrypt-proxy.toml
+++ b/dnscrypt-proxy/example-dnscrypt-proxy.toml
@@ -31,6 +31,7 @@
 
 
 ## List of local addresses and ports to listen to. Can be IPv4 and/or IPv6.
+## Note: When using systemd socket activation, choose an empty set (i.e. [] ).
 
 listen_addresses = ['127.0.0.1:53', '[::1]:53']