diff --git a/src/patchers/dos32jmpb4bb.a b/src/patchers/dos32jmpb4bb.a
index 81d72e0..c5919a6 100644
--- a/src/patchers/dos32jmpb4bb.a
+++ b/src/patchers/dos32jmpb4bb.a
@@ -2,7 +2,10 @@
 ; #DOS32JMPB4BB
 ; boot2 jumps to $B4BB for a
 ; nibble check (13-sector variant)
-; e.g. Bellhop
+;
+; tested on
+; Bellhop (1982, Imaginative Systems)
+; Property Management System demo (1982, Realty Software Company)
 ;-------------------------------
 !zone {
          lda   gIsDOS32  ; if DOS 3.2
@@ -31,9 +34,9 @@
 ;
          lda   #$01
          ldx   #$BA
-         ldy   #$03
+         ldy   #$01
          jsr   compare    ; if T01,S01,$BA ==
-         !byte $4C,$0B,$37
+         !byte $4C
          bcs   .exit
          ldy   #$03
          jsr   modify     ; then set T01,S01,$BA =
diff --git a/src/patchers/jmpb4bb.a b/src/patchers/jmpb4bb.a
index 5640671..0bd1dd0 100755
--- a/src/patchers/jmpb4bb.a
+++ b/src/patchers/jmpb4bb.a
@@ -28,9 +28,9 @@
 ;
          lda   #$0D
          ldx   #$BA
-         ldy   #$03
+         ldy   #$01
          jsr   compare    ; if T00,S0D,$BA ==
-         !byte $4C,$0B,$37
+         !byte $4C
          bcs   .exit
          lda   #$0D
          ldx   #$BA
diff --git a/src/patchers/jmpb4bbhi.a b/src/patchers/jmpb4bbhi.a
index c0e8912..a514a16 100755
--- a/src/patchers/jmpb4bbhi.a
+++ b/src/patchers/jmpb4bbhi.a
@@ -28,9 +28,9 @@ _jmpb4bbhi
 ;
          lda   #$0D
          ldx   #$BA
-         ldy   #$03
+         ldy   #$01
          jsr   compare    ; if T00,S0D,$BA ==
-         !byte $4C,$0B,$B7
+         !byte $4C
          bcs   .exit
          ldy   #$03
          jsr   modify     ; then set T00,S0D,$BA =
diff --git a/src/strings/en.a b/src/strings/en.a
index e1443c8..a62c0f4 100755
--- a/src/strings/en.a
+++ b/src/strings/en.a
@@ -232,7 +232,7 @@ StringTable
 ; can be set directly before calling PrintByID.
 ;
 .header
-         !text "Passport by 4am               2017-10-08",$00
+         !text "Passport by 4am               2017-10-11",$00
 .mainmenu
          !text "________________________________________",$8D,$8D,$8D,$8D,$8D,$8D,$8D
          !text "              "