diff --git a/src/lang/english.txt b/src/lang/english.txt
--- a/src/lang/english.txt
+++ b/src/lang/english.txt
@@ -2166,6 +2166,7 @@ STR_NETWORK_CLIENT_LIST_CLIENT_COMPANY_C
 STR_NETWORK_CLIENT_LIST_SERVER_CONNECTION_TYPE_UNKNOWN          :{BLACK}Local
 STR_NETWORK_CLIENT_LIST_SERVER_CONNECTION_TYPE_ISOLATED         :{RED}Remote players can't connect
 STR_NETWORK_CLIENT_LIST_SERVER_CONNECTION_TYPE_DIRECT           :{BLACK}Public
+STR_NETWORK_CLIENT_LIST_SERVER_CONNECTION_TYPE_STUN             :{BLACK}Behind NAT
 ############ End of ConnectionType
 
 STR_NETWORK_CLIENT_LIST_ADMIN_CLIENT_KICK                       :Kick