diff --git a/README.md b/README.md
index c4f58ea..955b160 100644
--- a/README.md
+++ b/README.md
@@ -4,12 +4,15 @@ Allow users to toggle a convertible laptop between laptop and tablet mode.
 
 ## Configuration
 
-The keyboard and touchpad devices to be deactivated in tablet mode must be specified in `/etc/tablet-mode.conf`:
+The devices to be deactivated in either *tablet* or *laptop* mode must be specified in `/etc/tablet-mode.json`.
+
+    {
+        "tablet": [
+            "/dev/input/by-path/platform-i8042-serio-0-event-kbd",
+            "/dev/input/by-path/platform-i8042-serio-1-event-mouse"
+        ]
+    }
 
-    [Devices]
-    keyboard = /dev/input/by-path/platform-i8042-serio-0-event-kbd
-    touchpad = /dev/input/by-path/platform-i8042-serio-1-event-mouse
-    
 ## Usage
 
 You must be a member of the group `tablet` to toggle between tablet and laptop mode.