diff --git a/packet_handler_map.go b/packet_handler_map.go
index 5b4659d2..7336b0df 100644
--- a/packet_handler_map.go
+++ b/packet_handler_map.go
@@ -110,7 +110,7 @@ func setReceiveBuffer(c net.PacketConn, logger utils.Logger) error {
 	return nil
 }
 
-// only print warnings about the UPD receive buffer size once
+// only print warnings about the UDP receive buffer size once
 var receiveBufferWarningOnce sync.Once
 
 func newPacketHandlerMap(