diff --git a/projects/UdpExample1/UdpSender/src/udpsender/UdpSender.java b/projects/UdpExample1/UdpSender/src/udpsender/UdpSender.java
index a3d2c4f571b0c11b5153ccd7f648aaeadd1630a0..3337007c300671d8900fb27ee2c79bb0342c5873 100644
--- a/projects/UdpExample1/UdpSender/src/udpsender/UdpSender.java
+++ b/projects/UdpExample1/UdpSender/src/udpsender/UdpSender.java
@@ -49,7 +49,7 @@ public class UdpSender
             // that you haven't received a duplicate UDP packet, out of
             // order packet, or dropped packet?
             
-            for(int idx = 0; idx < 100; idx++)
+            for(int idx = 0; idx < 100; idx++) // avoid infinite send loops in code, can be hard to kill!
             {
                udpSocket.send(packet);
                Thread.sleep(1000); // Send 100, one per second