diff --git a/_widgets/brightness-widget.md b/_widgets/brightness-widget.md
index 2ff8fd6..f92fa85 100644
--- a/_widgets/brightness-widget.md
+++ b/_widgets/brightness-widget.md
@@ -20,6 +20,7 @@ It is possible to customize widget by providing a table with all or some of the
 | `timeout` | 1 | How often in seconds the widget refreshes. Check the note below |
 | `tooltip` | false | Display brightness level in a tooltip when the mouse cursor hovers the widget |
 | `percentage` | false | Display a '%' character after the brightness level |
+| `rmb_set_max` | false | Right mouse click sets the brightness level to maximum |
 
 _Note:_ If brightness is controlled only by the widget (either by a mouse, or by a shortcut, then the `timeout` could be quite big, as there is no reason to synchronize the brightness level).