diff --git a/example-encrypted-dns.toml b/example-encrypted-dns.toml
index c5da1ce..12fccdf 100644
--- a/example-encrypted-dns.toml
+++ b/example-encrypted-dns.toml
@@ -57,10 +57,10 @@ udp_max_active_connections = 1000
 tcp_max_active_connections = 100
 
 
-## IP address to connect to upstream servers from.
-## You probably do not want to change this. `0.0.0.0` should be fine.
+## Optional IP address to connect to upstream servers from.
+## Leave commented/undefined to automatically select it.
 
-external_addr = "0.0.0.0"
+# external_addr = "0.0.0.0"
 
 
 ## Built-in DNS cache capacity