diff --git a/homeassistant/components/anthemav/strings.json b/homeassistant/components/anthemav/strings.json
index 15e365b3e63..774785f9d29 100644
--- a/homeassistant/components/anthemav/strings.json
+++ b/homeassistant/components/anthemav/strings.json
@@ -10,7 +10,7 @@
     },
     "error": {
       "cannot_connect": "[%key:common::config_flow::error::cannot_connect%]",
-      "cannot_receive_deviceinfo": "Failed to retrieve MAC Address. Make sure the device is turned on"
+      "cannot_receive_deviceinfo": "Failed to retrieve MAC address. Make sure the device is turned on"
     },
     "abort": {
       "already_configured": "[%key:common::config_flow::abort::already_configured_device%]"