diff --git a/.config/example.yml b/.config/example.yml
index 489cceec34..2d1e82ee0b 100644
--- a/.config/example.yml
+++ b/.config/example.yml
@@ -112,8 +112,18 @@ port: 3000
 # Any format supported by Fastify is accepted.
 # Default: trust all proxies (i.e. trustProxy: true)
 # See: https://fastify.dev/docs/latest/reference/server/#trustproxy
+# To improve security, we recommend that you configure your settings appropriately.
+# Incorrect configuration can cause issues such as difficulty signing in,
+# so please configure your settings carefully.
 #
-# trustProxy: 1
+#trustProxy: [
+#  '10.0.0.0/8'
+#  '172.16.0.0/12'
+#  '192.168.0.0/16'
+#  '127.0.0.1/32'
+#  '::1/128'
+#  'fc00::/7'
+#]
 
 #   ┌──────────────────────────┐
 #───┘ PostgreSQL configuration └────────────────────────────────