diff --git a/homeassistant/components/nextdns/strings.json b/homeassistant/components/nextdns/strings.json
index b1602f8985e..8d7bd6a215f 100644
--- a/homeassistant/components/nextdns/strings.json
+++ b/homeassistant/components/nextdns/strings.json
@@ -6,7 +6,7 @@
           "api_key": "[%key:common::config_flow::data::api_key%]"
         },
         "data_description": {
-          "api_key": "The API Key for your NextDNS account"
+          "api_key": "The API key for your NextDNS account"
         }
       },
       "profiles": {