diff --git a/docs/refguide.xml b/docs/refguide.xml index 6b7dd891b..8af211fb6 100644 --- a/docs/refguide.xml +++ b/docs/refguide.xml @@ -3172,7 +3172,7 @@ services. One surprisingly common misconfiguration is to trust traffic based only on the source port number. It is easy to understand how this comes about. An administrator will set up a shiny new firewall, -only to be flooded with complains from ungrateful users whose +only to be flooded with complaints from ungrateful users whose applications stopped working. In particular, DNS may be broken because the UDP DNS replies from external servers can no longer enter the network. FTP is another common example. In active FTP transfers,