diff --git a/homeassistant/components/nws/strings.json b/homeassistant/components/nws/strings.json
index 0f0bdcf4a1c..0f119e7c2ee 100644
--- a/homeassistant/components/nws/strings.json
+++ b/homeassistant/components/nws/strings.json
@@ -2,7 +2,7 @@
   "config": {
     "step": {
       "user": {
-        "description": "If a METAR station code is not specified, the latitude and longitude will be used to find the closest station.",
+        "description": "If a METAR station code is not specified, the latitude and longitude will be used to find the closest station. For now, an API Key can be anything. It is recommended to use a valid email address.",
         "title": "Connect to the National Weather Service",
         "data": {
           "api_key": "[%key:common::config_flow::data::api_key%]",