diff --git a/src/mame/drivers/lastduel.c b/src/mame/drivers/lastduel.c
index 995e1272079..128b18b171d 100644
--- a/src/mame/drivers/lastduel.c
+++ b/src/mame/drivers/lastduel.c
@@ -66,10 +66,10 @@ Notes:
       6116          - 2kx8 SRAM (DIP24)
       DL-0100-103   - NEC custom (SDIP64)
       ROMs          -
-                      LS-07    - 27C512 EPROM (DIP28)
-                      LS-08    - 27C256 EPROM (DIP28)
-                      LS-05/06 - 128kx8 mask ROM (DIP28)
-                      LS-01-04 - 27C1000 EPROM (DIP32)
+                      LS-07       - 27C512 EPROM (DIP28)
+                      LS-08       - 27C256 EPROM (DIP28)
+                      LS-05/06    - 128kx8 mask ROM (DIP28)
+                      LS-01 to 04 - 27C1000 EPROM (DIP32)
       Measurements  -
                       VSync 57.4444Hz
                       HSync 15.1432kHz