Update en.json

Author: rhammen

custom_components/luxtronik/translations/en.json

@@ -23,7 +23,7 @@
                 "name": "Additional heat generator"
             },
             "additional_heat_generator2": {
-                "name": "Additional heat generator 2",
+                "name": "Additional heat generator 2"
             },
             "disturbance_output": {
                 "name": "Systemhealth"