diff --git a/Gems/Atom/RPI/Code/Source/RPI.Edit/Material/MaterialTypeSourceData.cpp b/Gems/Atom/RPI/Code/Source/RPI.Edit/Material/MaterialTypeSourceData.cpp
index 4d9d40cde2..48b2c43435 100644
--- a/Gems/Atom/RPI/Code/Source/RPI.Edit/Material/MaterialTypeSourceData.cpp
+++ b/Gems/Atom/RPI/Code/Source/RPI.Edit/Material/MaterialTypeSourceData.cpp
@@ -95,7 +95,7 @@ namespace AZ
                     ;
 
                 serializeContext->Class<PropertyLayout>()
-                    ->Version(2)
+                    ->Version(2) // Material Version Update
                     ->Field("groups", &PropertyLayout::m_groups)
                     ->Field("properties", &PropertyLayout::m_properties)
                     ;
@@ -103,7 +103,7 @@ namespace AZ
                 serializeContext->RegisterGenericType<UvNameMap>();
 
                 serializeContext->Class<MaterialTypeSourceData>()
-                    ->Version(4)
+                    ->Version(4) // Material Version Update
                     ->Field("description", &MaterialTypeSourceData::m_description)
                     ->Field("version", &MaterialTypeSourceData::m_version)
                     ->Field("versionUpdates", &MaterialTypeSourceData::m_versionUpdates)
diff --git a/Gems/Atom/RPI/Code/Tests/Material/MaterialTypeAssetTests.cpp b/Gems/Atom/RPI/Code/Tests/Material/MaterialTypeAssetTests.cpp
index 6329ef8d48..8341a8e382 100644
--- a/Gems/Atom/RPI/Code/Tests/Material/MaterialTypeAssetTests.cpp
+++ b/Gems/Atom/RPI/Code/Tests/Material/MaterialTypeAssetTests.cpp
@@ -207,7 +207,7 @@ namespace UnitTest
         {
             EXPECT_EQ(m_testMaterialSrgLayout, materialTypeAsset->GetMaterialSrgLayout());
             EXPECT_EQ(5, materialTypeAsset->GetMaterialPropertiesLayout()->GetPropertyCount());
-            //EXPECT_EQ(2, materialTypeAsset->GetVersion());
+            EXPECT_EQ(2, materialTypeAsset->GetVersion());
             // Check aliased properties
 
             const MaterialPropertyIndex colorIndex = materialTypeAsset->GetMaterialPropertiesLayout()->FindPropertyIndex(Name{ "MyColor" });