diff --git a/docfx/articles/en/gltf/0_82_glb_import.md b/docfx/articles/en/gltf/0_82_glb_import.md
index 4350f6a7a..1046f9438 100644
--- a/docfx/articles/en/gltf/0_82_glb_import.md
+++ b/docfx/articles/en/gltf/0_82_glb_import.md
@@ -58,14 +58,8 @@ See `SimpleViewer` sample.
 ```cs
 GltfData Load(string path)
 {
-    var ext = Path.GetExtension(path).ToLower();
-    switch(ext)
-    {
-        case ".glb": return new GlbFileParser(path).Parse();
-        case ".gltf": return new GltfFileWithResourceFilesParser(path).Parse();
-        case ".zip": return new ZipArchivedGltfFileParser(path).Parse();
-        default: throw new Exception($"unknown: {ext}");
-    }
+    // Detect type by file extension automatically
+    return new AutoGltfFileParser(path).Parse();
 }
 ```
 
diff --git a/docfx/articles/ja/gltf/0_82_glb_import.md b/docfx/articles/ja/gltf/0_82_glb_import.md
index e7dc93c9c..b5c0cfae7 100644
--- a/docfx/articles/ja/gltf/0_82_glb_import.md
+++ b/docfx/articles/ja/gltf/0_82_glb_import.md
@@ -58,14 +58,8 @@ GltfData Load(string path)
 ```cs
 GltfData Load(string path)
 {
-    var ext = Path.GetExtension(path).ToLower();
-    switch(ext)
-    {
-        case ".glb": return new GlbFileParser(path).Parse();
-        case ".gltf": return new GltfFileWithResourceFilesParser(path).Parse();
-        case ".zip": return new ZipArchivedGltfFileParser(path).Parse();
-        default: throw new Exception($"unknown: {ext}");
-    }
+    // ファイル拡張子で自動判定します
+    return new AutoGltfFileParser(path).Parse();
 }
 ```