Add document for browser-window's icon

diff --git a/docs/api/browser-window.md b/docs/api/browser-window.md
index 5678fd5..982d8aa 100644 (file)
--- a/docs/api/browser-window.md
+++ b/docs/api/browser-window.md
@@ -44,6 +44,7 @@ You can also create a window without chrome by using
   * `fullscreen` Boolean - Whether the window should show in fullscreen
   * `kiosk` Boolean - The kiosk mode
   * `title` String - Default window title
+  * `icon` String - The path of icon file
   * `show` Boolean - Whether window should be shown when created
   * `frame` Boolean - Specify `false` to create a
     [Frameless Window](frameless-window.md)