diff --git a/Sonoff-TX-Series.md b/Sonoff-TX-Series.md
index afaae8b3..660e9776 100644
--- a/Sonoff-TX-Series.md
+++ b/Sonoff-TX-Series.md
@@ -16,4 +16,7 @@ Legend:
 * Yellow => 3.3v
 * Purple => GND
 * Green => TX FTDI to RX sonoff
-* Blue => RX FTDI to TX sonoff
\ No newline at end of file
+* Blue => RX FTDI to TX sonoff
+
+
+If the manipulation is done correctly the Wifi led will not blink when the device is powered, this means you are in flash mode and you can follow the other guide
\ No newline at end of file