diff --git a/icmp_ping/examples/PingAsync/PingAsync.ino b/icmp_ping/examples/PingAsync/PingAsync.ino
index 6f5795c..586f0fe 100644
--- a/icmp_ping/examples/PingAsync/PingAsync.ino
+++ b/icmp_ping/examples/PingAsync/PingAsync.ino
@@ -62,7 +62,7 @@
 
 
 
-byte mac[] = {LOCAL_MAC_ADDRESS}; // max address for ethernet shield
+byte mac[] = {LOCAL_MAC_ADDRESS}; // mac address for ethernet shield
 
 #ifdef TEST_USING_STATIC_IP
 byte ip[] = {TEST_USING_STATIC_IP}; // ip address for ethernet shield