diff --git a/homeassistant/components/esphome/strings.json b/homeassistant/components/esphome/strings.json
index 1534a49e365..c6916a3636d 100644
--- a/homeassistant/components/esphome/strings.json
+++ b/homeassistant/components/esphome/strings.json
@@ -4,7 +4,7 @@
       "already_configured": "[%key:common::config_flow::abort::already_configured_device%]",
       "already_in_progress": "[%key:common::config_flow::abort::already_in_progress%]",
       "reauth_successful": "[%key:common::config_flow::abort::reauth_successful%]",
-      "mdns_missing_mac": "Missing MAC address in MDNS properties.",
+      "mdns_missing_mac": "Missing MAC address in mDNS properties.",
       "service_received": "Action received",
       "mqtt_missing_mac": "Missing MAC address in MQTT properties.",
       "mqtt_missing_api": "Missing API port in MQTT properties.",