1 files changed, 12 insertions, 3 deletions

diff --git a/ps2_usb/README b/ps2_usb/README
index 3c9eb1428..ad5c6c431 100644
--- a/ps2_usb/README
+++ b/ps2_usb/README
@@ -47,10 +47,10 @@ Keymap customization
     You can customize keymaps easily by editing source code.
 
 
-Build
------
+Build for Teensy
+----------------
 0. Connect PS/2 keyboard to Teensy by 4 lines(Vcc, GND, Data, Clock).
-1. Define following macros for PS/2 connection in config.h:
+1. Define following macros for PS/2 connection in config_pjrc.h:
    PS2_DATA_PORT
    PS2_DATA_PIN
    PS2_DATA_DDR
@@ -65,6 +65,15 @@ Build
    http://www.pjrc.com/teensy/loader.html
 
 
+Build for V-USB
+---------------
+0. Build V-USB controller board and connect PS/2 keyboard.
+1. Define macros in config_vusb.h if needed.
+2. Edit Makefile.vusb for build options and MCU setting.
+3. make -f Makefile.vusb
+4. program your V-USB controller.
+
+
 Keymap
 ------
 You can change a keymap by editing code of keymap.c like following.