diff --git a/avr/devices/n11/n11_defs.asm b/avr/devices/n11/n11_defs.asm
index c1cb02f..0c1c8f3 100644
--- a/avr/devices/n11/n11_defs.asm
+++ b/avr/devices/n11/n11_defs.asm
@@ -14,7 +14,7 @@
 ;                                 --------
 ;                            VCC  1     14  GND
 ;                  REED_OUT2 PB0  2     13  PA0  REED_OUT1
-;                            PB1  3     12  PA1  COM-DATA
+;                        PIR PB1  3     12  PA1  COM-DATA
 ;                  /RESET    PB3  4     11  PA2  REED_IN1
 ;                  [KEY1]    PB2  5     10  PA3  LED
 ;                  COM_ATTN  PA7  6      9  PA4  TWI-SCL