diff --git a/src/mame/drivers/goldstar.cpp b/src/mame/drivers/goldstar.cpp
index 8e3542f588f..caf1a358a0b 100644
--- a/src/mame/drivers/goldstar.cpp
+++ b/src/mame/drivers/goldstar.cpp
@@ -6941,13 +6941,13 @@ static INPUT_PORTS_START( flaming7 )
 
 	PORT_START("IN3")   /* d810 */
 	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_Z) PORT_NAME("Main Door SW")
-	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_X) PORT_NAME("IN3-2")
+	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_X) PORT_NAME("Change")
 	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_C) PORT_NAME("Logic Door SW")
 	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_V) PORT_NAME("Cash Door SW")
-	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_B) PORT_NAME("IN3-5")
-	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_N) PORT_NAME("Coin A")  // COIN A?
-	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_M) PORT_NAME("Coin B")  // COIN B?
-	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_L) PORT_NAME("Key In")
+	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_B) PORT_NAME("IN3-5 Active")
+	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_N) PORT_NAME("Coin B")          // confirmed.
+	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_M) PORT_NAME("Coin A")          // confirmed.
+	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_L) PORT_NAME("Coin C or Mars")  // confirmed.
 
 	PORT_START("IN4")   /* d811 */
 	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_1_PAD) PORT_NAME("IN4-1")