README.md in huawei_solar-0.0.2 vs README.md in huawei_solar-0.0.3

@@ -18,9 +18,11 @@
 hs.read(%i[inverter_output_power inverter_daily_energy meter_grid_power])
 # => [225.0, 5.82, -339.0]
 
 hs.read(%i[inverter_output_power inverter_daily_energy meter_grid_power], with_unit: true)
 # => ["225.0 W", "5.82 kWh", "-339.0 W"]
+
+hs.close
 ```
 
 ## License
 
 Copyright © 2022 Javier Aranda. Released under the terms of the [MIT license](LICENSE).