diff --git a/README.md b/README.md
index d3ce4ef..0288ef9 100644
--- a/README.md
+++ b/README.md
@@ -90,6 +90,6 @@ sensor:
   state_topic: &server_battery_topic "battery2mqtt/server/BAT0"
   value_template: "{{ value_json.capacity }}"
   unit_of_measurement: '%'
-  icon: 'mdi:battery'
   json_attributes_topic: *server_battery_topic
+  device_class: battery
 ```