add missing string in string.json

custom_components/vorwerk/strings.json

@@ -4,10 +4,16 @@
       "user": {
         "title": "Vorwerk Account Info",
         "data": {
-          "email": "[%key:common::config_flow::data::email%]",
-          "code": "Code"
+          "email": "[%key:common::config_flow::data::email%]"
         },
         "description": "To recieve an authentication code, enter the email address of your vorwerk account.\n\nSee [Vorwerk documentation]({docs_url})."
+      },
+      "code": {
+        "title": "Vorwerk Account Info",
+        "data": {
+          "code": "Code"
+        },
+        "description": "Enter the code you received by email.\n\nSee [Vorwerk documentation]({docs_url})."
       }
     },
     "error": {