diff --git a/AssetStudio/SerializedFile.cs b/AssetStudio/SerializedFile.cs
index 4c26ab8..54fe81c 100644
--- a/AssetStudio/SerializedFile.cs
+++ b/AssetStudio/SerializedFile.cs
@@ -301,7 +301,7 @@ namespace AssetStudio
             {
                 typeTreeNode.m_Index = reader.ReadInt32();
             }
-            typeTreeNode.m_IsArray = reader.ReadInt32();
+            typeTreeNode.m_TypeFlags = reader.ReadInt32();
             typeTreeNode.m_Version = reader.ReadInt32();
             if (header.m_Version != SerializedFileFormatVersion.kUnknown_3)
             {
@@ -325,7 +325,7 @@ namespace AssetStudio
                 m_Type.m_Nodes.Add(typeTreeNode);
                 typeTreeNode.m_Version = reader.ReadUInt16();
                 typeTreeNode.m_Level = reader.ReadByte();
-                typeTreeNode.m_IsArray = reader.ReadBoolean() ? 1 : 0;
+                typeTreeNode.m_TypeFlags = reader.ReadByte();
                 typeTreeNode.m_TypeStrOffset = reader.ReadUInt32();
                 typeTreeNode.m_NameStrOffset = reader.ReadUInt32();
                 typeTreeNode.m_ByteSize = reader.ReadInt32();
diff --git a/AssetStudio/SerializedFileFormatVersion.cs b/AssetStudio/SerializedFileFormatVersion.cs
index 30edd5e..fab3bcb 100644
--- a/AssetStudio/SerializedFileFormatVersion.cs
+++ b/AssetStudio/SerializedFileFormatVersion.cs
@@ -11,23 +11,77 @@ namespace AssetStudio
         kUnsupported = 1,
         kUnknown_2 = 2,
         kUnknown_3 = 3,
+        /// <summary>
+        /// 1.2.0 to 2.0.0
+        /// </summary>
         kUnknown_5 = 5,
+        /// <summary>
+        /// 2.1.0 to 2.6.1
+        /// </summary>
         kUnknown_6 = 6,
+        /// <summary>
+        /// 3.0.0b
+        /// </summary>
         kUnknown_7 = 7,
+        /// <summary>
+        /// 3.0.0 to 3.4.2
+        /// </summary>
         kUnknown_8 = 8,
+        /// <summary>
+        /// 3.5.0 to 4.7.2
+        /// </summary>
         kUnknown_9 = 9,
+        /// <summary>
+        /// 5.0.0aunk1
+        /// </summary>
         kUnknown_10 = 10,
+        /// <summary>
+        /// 5.0.0aunk2
+        /// </summary>
         kHasScriptTypeIndex = 11,
+        /// <summary>
+        /// 5.0.0aunk3
+        /// </summary>
         kUnknown_12 = 12,
+        /// <summary>
+        /// 5.0.0aunk4
+        /// </summary>
         kHasTypeTreeHashes = 13,
+        /// <summary>
+        /// 5.0.0unk
+        /// </summary>
         kUnknown_14 = 14,
+        /// <summary>
+        /// 5.0.1 to 5.4.0
+        /// </summary>
         kSupportsStrippedObject = 15,
+        /// <summary>
+        /// 5.5.0a
+        /// </summary>
         kRefactoredClassId = 16,
+        /// <summary>
+        /// 5.5.0unk to 2018.4
+        /// </summary>
         kRefactorTypeData = 17,
+        /// <summary>
+        /// 2019.1a
+        /// </summary>
         kRefactorShareableTypeTreeData = 18,
+        /// <summary>
+        /// 2019.1unk
+        /// </summary>
         kTypeTreeNodeWithTypeFlags = 19,
+        /// <summary>
+        /// 2019.2
+        /// </summary>
         kSupportsRefObject = 20,
+        /// <summary>
+        /// 2019.3 to 2019.4
+        /// </summary>
         kStoresTypeDependencies = 21,
+        /// <summary>
+        /// 2020.1 to x
+        /// </summary>
         kLargeFilesSupport = 22
     }
 }
diff --git a/AssetStudio/TypeTreeNode.cs b/AssetStudio/TypeTreeNode.cs
index f2e5aea..f5de3c0 100644
--- a/AssetStudio/TypeTreeNode.cs
+++ b/AssetStudio/TypeTreeNode.cs
@@ -11,7 +11,7 @@ namespace AssetStudio
         public string m_Name;
         public int m_ByteSize;
         public int m_Index;
-        public int m_IsArray; //m_TypeFlags
+        public int m_TypeFlags; //m_IsArray
         public int m_Version;
         public int m_MetaFlag;
         public int m_Level;