diff --git a/Source/HBIOS/hbios.inc b/Source/HBIOS/hbios.inc
index b88012db..0cb96410 100644
--- a/Source/HBIOS/hbios.inc
+++ b/Source/HBIOS/hbios.inc
@@ -190,7 +190,7 @@ RTCDEV_DS	.EQU	$00		; DS1302
 RTCDEV_BQ	.EQU	$10		; BQ4845P
 RTCDEV_SIMH	.EQU	$20		; SIMH
 RTCDEV_INT	.EQU	$30		; PERIODIC INT TIMER
-RTCDEV_DS7	.EQU	$40		; DS1302 (I2C)
+RTCDEV_DS7	.EQU	$40		; DS1307 (I2C)
 RTCDEV_RP5	.EQU	$50		; RP5C01
 ;
 ; VIDEO DEVICE IDS