diff --git a/src/mame/drivers/nmk16.cpp b/src/mame/drivers/nmk16.cpp
index b3b7e25544a..c0e7a2a8a5c 100644
--- a/src/mame/drivers/nmk16.cpp
+++ b/src/mame/drivers/nmk16.cpp
@@ -7917,7 +7917,7 @@ ROM_END
 ROM_START( bubl2000a )
 	ROM_REGION( 0x80000, "maincpu", 0 )     /* 68000 Code */
 	ROM_LOAD16_BYTE( "b-2000_n_v1.2.112", 0x00000, 0x20000, CRC(da28624b) SHA1(01447f32bd4d3588ec5458cb9996d49808883e1c) ) /* Has no Demo Sounds??  Earlier version?? */
-	ROM_LOAD16_BYTE( "b-2000_n_v1.2.107", 0x00001, 0x20000, CRC(c766c1fb) SHA1(54b54021d05a3b41afe954bc3763e809a5eb3b55) ) /* Tunning sticker shows production was 11/98 */
+	ROM_LOAD16_BYTE( "b-2000_n_v1.2.107", 0x00001, 0x20000, CRC(c766c1fb) SHA1(54b54021d05a3b41afe954bc3763e809a5eb3b55) ) /* Tuning sticker shows production was 11/98 */
 
 	ROM_REGION( 0x10000, "audiocpu", 0 )        /* Z80 Code */
 	ROM_LOAD( "rom01.92", 0x00000, 0x10000, CRC(5d8cf28e) SHA1(2a440bf5136f95af137b6688e566a14e65be94b1) ) /* same as the other games on this driver */
diff --git a/src/mame/drivers/tetrisp2.cpp b/src/mame/drivers/tetrisp2.cpp
index 0264390ef29..dc851ffbdc3 100644
--- a/src/mame/drivers/tetrisp2.cpp
+++ b/src/mame/drivers/tetrisp2.cpp
@@ -2074,6 +2074,8 @@ Japan Set:
   No way to enter a Test Mode
   No support for EEPROM
 
+A World V2.7 is known to exist, but not currently dumped
+
 ***************************************************************************/
 
 ROM_START( tetrisp2 ) /* Version 2.8 */
@@ -2823,7 +2825,7 @@ ROM_END
 ***************************************************************************/
 
 //    YEAR, NAME,      PARENT,   MACHINE,  INPUT,     STATE,          INIT,     MONITOR, COMPANY,                       FULLNAME,                               FLAGS
-GAME( 1997, tetrisp2,  0,        tetrisp2, tetrisp2,  tetrisp2_state, empty_init,   ROT0,    "Jaleco / The Tetris Company", "Tetris Plus 2 (World)",                MACHINE_SUPPORTS_SAVE )
+GAME( 1997, tetrisp2,  0,        tetrisp2, tetrisp2,  tetrisp2_state, empty_init,   ROT0,    "Jaleco / The Tetris Company", "Tetris Plus 2 (World, V2.8)",          MACHINE_SUPPORTS_SAVE )
 GAME( 1997, tetrisp2j, tetrisp2, tetrisp2, tetrisp2j, tetrisp2_state, empty_init,   ROT0,    "Jaleco / The Tetris Company", "Tetris Plus 2 (Japan, V2.2)",          MACHINE_SUPPORTS_SAVE )
 GAME( 1997, tetrisp2ja,tetrisp2, tetrisp2, tetrisp2j, tetrisp2_state, empty_init,   ROT0,    "Jaleco / The Tetris Company", "Tetris Plus 2 (Japan, V2.1)",          MACHINE_SUPPORTS_SAVE )