diff --git a/cloudcannon.config.yaml.example b/cloudcannon.config.yaml.example
index 904908a..a25f755 100644
--- a/cloudcannon.config.yaml.example
+++ b/cloudcannon.config.yaml.example
@@ -375,3 +375,6 @@ _snippets:
       positional_args:
         - editor_key: class
           type: string
+        - editor_key: display
+          type: string
+          optional: true