diff --git a/homeassistant/components/overseerr/strings.json b/homeassistant/components/overseerr/strings.json
index 5053bcedc41..14650fd5c25 100644
--- a/homeassistant/components/overseerr/strings.json
+++ b/homeassistant/components/overseerr/strings.json
@@ -27,7 +27,7 @@
     },
     "error": {
       "cannot_connect": "[%key:common::config_flow::error::cannot_connect%]",
-      "invalid_auth": "[%key:common::config_flow::error::invalid_auth%]",
+      "invalid_auth": "Authentication failed. Your API key is invalid or CSRF protection is turned on, preventing authentication.",
       "invalid_host": "The provided URL is not a valid host."
     }
   },