diff --git a/constants/SP2000.inc b/constants/SP2000.inc
index 5d04efc..4bceb22 100644
--- a/constants/SP2000.inc
+++ b/constants/SP2000.inc
@@ -842,8 +842,7 @@ FDD_0		EQU	SYS_PAGE.FDD_0
 .HEADS		EQU	FDD_0+2
 .CYLINDL	EQU	FDD_0+3
 .CYLINDH	EQU	FDD_0+4
-;.B_P_S		EQU	FDD_0+5	;WORD
-.BytesPerSector	EQU	FDD_0+5	;WORD
+.BytesPerSector	EQU	FDD_0+5	;WORD B_P_S
 FDD_1		EQU	SYS_PAGE.FDD_1
 .DISK		EQU	FDD_1+0
 .F144		EQU	.DISK
@@ -852,8 +851,7 @@ FDD_1		EQU	SYS_PAGE.FDD_1
 .HEADS		EQU	FDD_1+2
 .CYLINDL	EQU	FDD_1+3
 .CYLINDH	EQU	FDD_1+4
-;.B_P_S		EQU	FDD_1+5	;WORD
-.BytesPerSector	EQU	FDD_1+5
+.BytesPerSector	EQU	FDD_1+5	;WORD B_P_S
  ENDMODULE
 ;