diff --git a/docs/widgets/services/tdarr.md b/docs/widgets/services/tdarr.md
index 763fc6268..3064949fd 100644
--- a/docs/widgets/services/tdarr.md
+++ b/docs/widgets/services/tdarr.md
@@ -11,4 +11,5 @@ Allowed fields: `["queue", "processed", "errored", "saved"]`.
 widget:
   type: tdarr
   url: http://tdarr.host.or.ip
+  key: tapi_abcdefg # optional, false if unused
 ```