diff --git a/README.md b/README.md
index 2ee8dd5..eb62896 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,4 @@
-# TR-9_KBD
-Firmware for the TR-9 keyboard microcontroller
+# TR-9_HMI
+Firmware for the TR-9 Human-Machine Interface board.
 
-UART: 9600baud 8n1  
-  
-Keys:  
-- rotary encoder: 'L' for counter-clockwise, 'R' for clockwise rotation  
-- 'A' for sub-display button left, 'B' for right  
-- rows from bottom to the top: {'*', '0', '#'}, {'7', '8', '9'}, {'4', '5', '6'}, {'1', '2', '3'}  
+UART: 9600, 8n1