diff --git a/QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/Plugin.cs b/QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/Plugin.cs
index 784fa8e..520e03e 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/Plugin.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/Plugin.cs
@@ -1,4 +1,4 @@
-// Copyright © 2017 Paddy Xu
+// Copyright © 2017 Paddy Xu
 // 
 // This file is part of QuickLook program.
 // 
@@ -26,7 +26,7 @@ namespace QuickLook.Plugin.HtmlViewer
 {
     public class Plugin : IViewer
     {
-        private static readonly string[] Extensions = { ".mht", ".mhtml", ".htm", ".html", ".url" };
+        private static readonly string[] Extensions = { ".mht", ".mhtml", ".htm", ".html" };
         private static readonly string[] SupportedProtocols = { "http", "https" };
 
         private WebpagePanel _panel;