diff --git a/CommunityBugFixCollection/DuplicateAndMoveMultipleGrabbedItems.cs b/CommunityBugFixCollection/DuplicateAndMoveMultipleGrabbedItems.cs
index 76d574e..a204e2e 100644
--- a/CommunityBugFixCollection/DuplicateAndMoveMultipleGrabbedItems.cs
+++ b/CommunityBugFixCollection/DuplicateAndMoveMultipleGrabbedItems.cs
@@ -8,6 +8,11 @@
 using System.Text;
 using static FrooxEngine.Worker;
 
+// This code is mainly decompiled Resonite source code,
+// but the fix was devised by art0007i.
+// Originally released under MIT-0 here:
+// https://github.com/art0007i/DuplicateFix
+
 namespace CommunityBugFixCollection
 {
     internal static class DuplicateExtensions