diff --git a/man/strongswan.conf.5.in b/man/strongswan.conf.5.in
index 12ae10ab1..52ac42c28 100644
--- a/man/strongswan.conf.5.in
+++ b/man/strongswan.conf.5.in
@@ -305,6 +305,9 @@ Start phase2 EAP TNC protocol after successful client authentication
 .BR charon.plugins.eap-peap.request_peer_auth " [no]"
 Request peer authentication based on a client certificate
 
+.TP
+.BR charon.plugins.eap-radius.accounting " [no]"
+Send RADIUS accounting information to RADIUS servers.
 .TP
 .BR charon.plugins.eap-radius.class_group " [no]"
 Use the