diff --git a/Arcade_MiST/Sega System 1 Hardware/meta/Bullfight.mra b/Arcade_MiST/Sega System 1 Hardware/meta/Bullfight.mra
index 65137f6c..143c591f 100644
--- a/Arcade_MiST/Sega System 1 Hardware/meta/Bullfight.mra	
+++ b/Arcade_MiST/Sega System 1 Hardware/meta/Bullfight.mra	
@@ -4,7 +4,7 @@
 	<setname>bullfgt</setname>
 	<mratimestamp>202001070000</mratimestamp>
 	<year>1984</year>
-	<manufacturer>Sega</manufacturer>
+	<manufacturer>Coreland / Sega</manufacturer>
 	<category>Sport</category>
 	<category>Sport</category>
 	<rbf>segasys1</rbf>
diff --git a/Arcade_MiST/Sega System 1 Hardware/meta/Swat.mra b/Arcade_MiST/Sega System 1 Hardware/meta/Swat.mra
index 7dcc3051..71113622 100644
--- a/Arcade_MiST/Sega System 1 Hardware/meta/Swat.mra	
+++ b/Arcade_MiST/Sega System 1 Hardware/meta/Swat.mra	
@@ -4,7 +4,7 @@
 	<setname>swat</setname>
 	<mratimestamp>202001070000</mratimestamp>
 	<year>1984</year>
-	<manufacturer>Sega</manufacturer>
+	<manufacturer>Coreland / Sega</manufacturer>
 	<category>Shooter</category>
 	<category>Shooter</category>
 	<rbf>segasys1</rbf>