message: fix(content-item): change customClassName passed into CTA
diff: @@ -51,7 +51,7 @@ const ContentItem = ({ cta, copy, heading, image }) => (
  type={cta.type}
  copy={cta.copy}
  href={cta.href}
  - customClassname={`${prefix}--content-item__cta`}
  + customClassName={`${prefix}--content-item__cta`}
  />
  )}
  </div>
  