diff --git a/src/main.cpp b/src/main.cpp
index dc16c34..3c53255 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,4 +1,4 @@
-// #define USE_INTERRUPT
+// ESPMega Pro R3 IoT Core Firmware v1.0.0
 #include <ESPMegaPRO.h>
 #include <ETH.h>
 #include <PubSubClient.h>