diff --git a/src/modules/markdown-preview-manager.ts b/src/modules/markdown-preview-manager.ts
index 6a3254a..b74ca80 100644
--- a/src/modules/markdown-preview-manager.ts
+++ b/src/modules/markdown-preview-manager.ts
@@ -3,6 +3,7 @@ import { PanelSizeController } from "@/modules/panel-size-controller";
 import { PanelPositionController } from "@/modules/panel-position-controller";
 import { PANEL_STATE_KEY } from "@/constants";
 
+// test
 /**
  * Manage markdown preview panel using ShadowDOM
  */