diff --git a/README.md b/README.md
index 050b0b1..998bf47 100644
--- a/README.md
+++ b/README.md
@@ -43,10 +43,10 @@ The software is sending a beep to the Raymarine devices (Seatalk alarm function)
 
 # Programming the 433 MHz KeyFob
 
-You should change the four codes in the software to individual random numbers. The same codes have to be copied to the "_433_Programming.ino". Only for programming you will also need a 433 MHZ sender connected to the ProMicro.
+You should change the four codes in the software to individual random numbers. The same codes have to be copied to the "_433_Programming_New.ino". Only for programming you will also need a 433 MHZ sender connected to the ProMicro.
 I used a ProMicro on a "bread board" to program the codes. 
 
-Send each code individually and programm the keys of the remote according to the programming description of your KeyFob.
+Send each code individually and programm the keys of the remote according to the programming description of your KeyFob. Press "Send" button in serial console for next key;
 
 Key 1 = button A = -1 degree