:: commit 2a276dc2d2098ae477064238209de429d1d384fe

diff --git a/src/bootsect/gdt.inc b/src/bootsect/gdt.inc
index d4d6b6a4..a3a0a632 100644
--- a/src/bootsect/gdt.inc
+++ b/src/bootsect/gdt.inc
@@ -16,30 +16,23 @@ db 00000000b		; Access
 db 00000000b		; Granularity
 db 0x00				; Base (high 8 bits)
 
-; Unreal mode
-
-.UnrealCode:
-
-dw 0xFFFF			; Limit
+; 16-bit code
+dw 0xffff			; Limit
 dw 0x0000			; Base (low 16 bits)
 db 0x00				; Base (mid 8 bits)
 db 10011010b		; Access
-db 10001111b		; Granularity
+db 00000000b		; Granularity
 db 0x00				; Base (high 8 bits)
 
-.UnrealData:
-
-dw 0xFFFF			; Limit
+; 16-bit data
+dw 0xffff			; Limit
 dw 0x0000			; Base (low 16 bits)
 db 0x00				; Base (mid 8 bits)
 db 10010010b		; Access
-db 10001111b		; Granularity
+db 00000000b		; Granularity
 db 0x00				; Base (high 8 bits)
 
-; Protected mode
-
-.PmodeCode:
-
+; 32-bit code
 dw 0xFFFF			; Limit
 dw 0x0000			; Base (low 16 bits)
 db 0x00				; Base (mid 8 bits)
@@ -47,8 +40,7 @@ db 10011010b		; Access
 db 11001111b		; Granularity
 db 0x00				; Base (high 8 bits)
 
-.PmodeData:
-
+; 32-bit data
 dw 0xFFFF			; Limit
 dw 0x0000			; Base (low 16 bits)
 db 0x00				; Base (mid 8 bits)