diff --git a/Source/Engine/Tools/MaterialGenerator/MaterialGenerator.Material.cpp b/Source/Engine/Tools/MaterialGenerator/MaterialGenerator.Material.cpp
index 31d2ba36c..83251089f 100644
--- a/Source/Engine/Tools/MaterialGenerator/MaterialGenerator.Material.cpp
+++ b/Source/Engine/Tools/MaterialGenerator/MaterialGenerator.Material.cpp
@@ -435,6 +435,8 @@ void MaterialGenerator::ProcessGroupMaterial(Box* box, Node* node, Value& value)
         // Blackbody
     case 35:
     {
+        // Based on unity's implementation by using data gathered by Mitchell Charity.
+
         const auto temperature = tryGetValue(node->GetBox(0), node->Values[0]).AsFloat();
 
         // Value X