Implement PR feedback

Signed-off-by: Jean-Noël Moyne <jnmoyne@gmail.com>

server/server.go

@@ -4253,7 +4253,7 @@ func (s *Server) changeRateLimitLogInterval(d time.Duration) {
 	}
 }
 
-// Disconnects a client by cid
+// DisconnectClientByID disconnects a client by connection ID
 func (s *Server) DisconnectClientByID(id uint64) error {
 	client := s.clients[id]
 	if client != nil {
@@ -4263,6 +4263,7 @@ func (s *Server) DisconnectClientByID(id uint64) error {
 	return errors.New("no such client id")
 }
 
+// LDMClientByID sends a Lame Duck Mode info message to a client by connection ID
 func (s *Server) LDMClientByID(id uint64) error {
 	info := s.copyInfo()
 	info.LameDuckMode = true
@@ -4272,7 +4273,7 @@ func (s *Server) LDMClientByID(id uint64) error {
 		c.flags.isSet(firstPongSent) {
 		// sendInfo takes care of checking if the connection is still
 		// valid or not, so don't duplicate tests here.
-		s.Debugf("sending LDM info to cid=%d", id)
+		c.Debugf("sending Lame Duck Mode info to client")
 		c.enqueueProto(c.generateClientInfoJSON(info))
 		return nil
 	}