Add the `name` attribute with the value `personality` to the checkbox `input` element.
While you won't notice this in the browser, doing this makes it easier for a server to process your web form, especially when there are multiple checkboxes.
The checkbox `input` element should have a `name` attribute with the value `personality`. You have either omitted the value or have a typo. Remember that attribute values should be surrounded with quotation marks.