update from master

_widgets/brightness-widget.md

@@ -16,7 +16,7 @@ It is possible to customize widget by providing a table with all or some of the
 | `step` | 5 | Step |
 | `base` | 20 | Base level to set brightness to on left click. |
 | `path_to_icon` | `/usr/share/icons/Arc/status/symbolic/display-brightness-symbolic.svg` | Path to the icon |
-| `font` | `Play 9` | Font |
+| `font` | `beautiful.font` | Font name and size, like `Play 12` |
 | `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 |