diff --git a/Arcade_MiST/IremM72 Hardware/meta/Air Duel (World, M72 hardware).mra b/Arcade_MiST/IremM72 Hardware/meta/Air Duel (World, M72 hardware).mra
index 1daf315b..e151b306 100644
--- a/Arcade_MiST/IremM72 Hardware/meta/Air Duel (World, M72 hardware).mra	
+++ b/Arcade_MiST/IremM72 Hardware/meta/Air Duel (World, M72 hardware).mra	
@@ -65,7 +65,7 @@
 
         <!-- mcu -->
         <part>04 00 10 00</part>
-        <part name="ad_c-pr-.ic1" crc="8785e4e2"/>
+        <part name="ad_c-pr-c.ic1" crc="8785e4e2"/>
 
         <!-- samples -->
         <part>05 02 00 00</part>
diff --git a/Arcade_MiST/IremM72 Hardware/meta/Mr. HELI no Daibouken (Japan).mra b/Arcade_MiST/IremM72 Hardware/meta/Mr. HELI no Daibouken (Japan).mra
index c95959de..fdebc2ca 100644
--- a/Arcade_MiST/IremM72 Hardware/meta/Mr. HELI no Daibouken (Japan).mra	
+++ b/Arcade_MiST/IremM72 Hardware/meta/Mr. HELI no Daibouken (Japan).mra	
@@ -14,7 +14,7 @@
     <buttons default="B,A,R,L" names="Fire,Secondary,-,-,Start,Coin,P2 Start,Pause"></buttons>
     <switches default="04,02" base="16" page_id="1" page_name="Switches">
         <dip bits="0,1" ids="3,2,4,1" name="Lives"></dip>
-        <dip bits="2" ids="Off,On" name="Demo Sounds"></dip>
+        <dip bits="2" ids="On,Off" name="Demo Sounds"></dip>
         <dip bits="3" ids="80K,100K" name="Bonus Life"></dip>
         <dip bits="4,7" ids="1C/1P,2C/1P,3C/1P,4C/1P,5C/1P,6C/1P,1C/2P,1C/3P,1C/4P,1C/5P,1C/6P,2C/3P,4C/2P,5C/3P,8C/3P,Free Play" name="Coin Mode"></dip>
         <dip bits="8" ids="Off,On" name="Flip Picture"></dip>