message: Update coupon offer copy
diff: @@ -67,7 +67,8 @@ export default class EducationPage extends Component {
  </Subheadline>
  <Description>
  Are.na Premium gives you unlimited privacy for personal projects.
  - Use coupon code <strong>learning</strong> to upgrade for half the price.
  + Use coupon code <strong>learning</strong> to
  + get two years of Premium for half the price.
  </Description>
  <Button f={5} mt={6} py={6} href="/sign_up">
  Join Now
  