diff --git a/README.md b/README.md
index 6933a96..aaedbaa 100644
--- a/README.md
+++ b/README.md
@@ -106,7 +106,7 @@ Another possibility is change VID and PID to something that already has HID_QUIR
 Here you can see what quirks are activated to different VID/PIDs:
 https://github.com/torvalds/linux/blob/master/drivers/hid/usbhid/hid-quirks.c
 
-Edit VID/PID from `C:\Program Files (x86)\Arduino\hardware\arduino\avr\boards.txt`. Example:
+Edit VID/PID from `C:\Program Files (x86)\Arduino\hardware\arduino\avr\boards.txt` (after editgin boards.txt, you have to close and reopen Arduino IDE). Example:
 ```
 leonardo.build.vid=0x8282
 leonardo.build.pid=0x3201
@@ -128,7 +128,7 @@ There is simple tutorial in [Tutorial](https://github.com/mcgurk/Arduino-USB-HID
 ## Polishing
 If you want that less than 16 buttons are shown in joystick-settings, edit Joystick.cpp/Joystick2.cpp/Joystick3.cpp "USAGE_MAXIMUM"-line (0x10 = 16). You may to have create new file after that, because all libraries are not recompiled every time and I don't know how to force full recompile.
 
-Adapter shows as "Arduino Leonardo", but if you want it to show some other name, edit `C:\Program Files (x86)\Arduino\hardware\arduino\avr\boards.txt`. You can even add sub menu to tools-menu by adding these lines:
+Adapter shows as "Arduino Leonardo", but if you want it to show some other name, edit `C:\Program Files (x86)\Arduino\hardware\arduino\avr\boards.txt`. You can even add sub menu to tools-menu by adding these lines (after editgin boards.txt, you have to close and reopen Arduino IDE):
 
 ```
 menu.usb_name=USB Product Name