diff --git a/src/mame/drivers/tnzs.cpp b/src/mame/drivers/tnzs.cpp
index c4f2501602d..b866efd7387 100644
--- a/src/mame/drivers/tnzs.cpp
+++ b/src/mame/drivers/tnzs.cpp
@@ -1720,7 +1720,7 @@ P0-056A     K1100476A J1100201A 3xZ80B  EMPTY*3 27c1000 NONE    1x6164      No
     PCB, but with a daughterboard which converts four of the 23c1000 gfx ROM
     sockets into 8 27c1000 eprom sockets, and DOES use color PROMs!
     The other pcb set uses P0-028-A pcb and 23c1000 mask roms and color RAM,
-    but has lower rom id numbers. The higher numbered set  was likely created
+    but has lower rom id numbers. The higher numbered set was likely created
     by Taito to 'use up' a stock of older P0-025-A pcbs.
 (C) This is a development/prototype PCB, hence it has 32 pin sockets for the
     gfx ROMs as 27c1000 eproms, instead of 28 pin sockets for 23c1000 mask
diff --git a/src/mame/machine/taitosj.cpp b/src/mame/machine/taitosj.cpp
index 0ad896285b8..b8c23642891 100644
--- a/src/mame/machine/taitosj.cpp
+++ b/src/mame/machine/taitosj.cpp
@@ -83,7 +83,7 @@ WRITE8_MEMBER(taitosj_state::taitosj_bankswitch_w)
  Some of the games running on this hardware are protected with a 68705 mcu.
  It can either be on a daughter board containing Z80+68705+one ROM, which
  replaces the Z80 on an unprotected main board; or it can be built-in on the
- main board. The two are fucntionally equivalent.
+ main board. The two are functionally equivalent.
 
  The 68705 can read commands from the Z80, send back result codes, and has
  direct access to the Z80 memory space. It can also trigger IRQs on the Z80.