diff --git a/src/config.example.h b/src/config.example.h
index f7e8327..f41db2d 100644
--- a/src/config.example.h
+++ b/src/config.example.h
@@ -1,5 +1,5 @@
 //*******************************************************************
-// LoRa Config - Put Your Keys Here!
+// LoRa Config - Put Your Keys Here! MSB Left for all three
 //*******************************************************************
 unsigned char NwkSkey[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 unsigned char AppSkey[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };