diff --git a/example/config.yml b/example/config.yml
index 15f01c74..8cd21fb0 100644
--- a/example/config.yml
+++ b/example/config.yml
@@ -12,7 +12,7 @@ collections: # A list of collections the CMS should be able to edit
     create: true # Allow users to create new documents in this collection
     fields: # The fields each document in this collection have
       - {label: "Title", name: "title", widget: "string", tagname: "h1"}
-      - {label: "Cover Image", name: "image", widget: "image", optional: true, tagname: ""}
+      - {label: "Cover Image", name: "image", widget: "image", required: false, tagname: ""}
       - {label: "Body", name: "body", widget: "markdown"}
     meta:
       - {label: "Publish Date", name: "date", widget: "datetime", format: "YYYY-MM-DD hh:mma"}