diff --git a/nginx/files/nginx/snippets/private_ipaddr_whitelist b/nginx/files/nginx/snippets/private_ipaddr_whitelist
index 0d7aeab9..e041b5da 100644
--- a/nginx/files/nginx/snippets/private_ipaddr_whitelist
+++ b/nginx/files/nginx/snippets/private_ipaddr_whitelist
@@ -1 +1,3 @@
 # Whitelisted IP addresses, used in default site…
+# Example:
+# allow 192.0.2.42;