diff --git a/src/mame/drivers/bublbobl.cpp b/src/mame/drivers/bublbobl.cpp
index bc94e6f8096..6e686236173 100644
--- a/src/mame/drivers/bublbobl.cpp
+++ b/src/mame/drivers/bublbobl.cpp
@@ -330,7 +330,7 @@ void bublbobl_state::subcpu_map(address_map &map)
  1  0  1  0  x  x  x  x  x  x  x  x  x  x  x  *  RW YM3526 OPL chip
  1  0  1  1                                *  *  decoded by 74ls155@ic33
  1  0  1  1  x  x  x  x  x  x  x  x  x  x  0  0  R maincpu_to_sound latch 74ls374 @ic24 and clear maincpu_has_written semaphore
- 1  0  1  1  x  x  x  x  x  x  x  x  x  x  0  0  W sound_to_maincpu latch 74ls374 @ic25 and set sound_has_written sempaphore
+ 1  0  1  1  x  x  x  x  x  x  x  x  x  x  0  0  W sound_to_maincpu latch 74ls374 @ic25 and set sound_has_written semaphore
  1  0  1  1  x  x  x  x  x  x  x  x  x  x  0  1  R read semaphores in d0 and d1
  1  0  1  1  x  x  x  x  x  x  x  x  x  x  0  1  W set latch to enable sound cpu nmi on maincpu_has_written semaphore active
  1  0  1  1  x  x  x  x  x  x  x  x  x  x  1  x  R OPEN BUS
@@ -339,7 +339,7 @@ void bublbobl_state::subcpu_map(address_map &map)
  1  0  1  1  x  x  x  x  x  x  x  x  x  x  x  0  RW sound latch[2]
  1  1  x  x  x  x  x  x  x  x  x  x  x  x  x  x  OPEN BUS
 (1  1  *  *  *  *  *  *  *  *  *  *  *  *  *  *  R  DIAGNOSTIC ROM[4])
-   [1] Technicaly A12 is conencted to the 6264 SRAM too, but the 74ls138 disables the SRAM when A12 is high, so only half is usable
+   [1] Technicaly A12 is connected to the 6264 SRAM too, but the 74ls138 disables the SRAM when A12 is high, so only half is usable
    [4] While normally not populated (or even present? not shown on the schematic at all? possibly a holdover from tokio?)
        the sound code probes for a ROM here, and will use it if found.
 Sound cpu semaphores are both active low: