message: Update sticker-for-contributors text
diff: @@ -230,12 +230,12 @@ forking and opening a Pull Request!
  you can get four variants of the OWASP Juice Shop logo to decorate
  your laptop
  -> An alternative way to get stickers (and maybe even a pin-back button)
  -> is to somehow [contribute to the project](CONTRIBUTING.md) by fixing
  -> an issue, finding a serious bug or submitting a good idea for a new
  -> challenge! We're also happy to send some stickers your way if you
  -> organize a meetup or conference talk where you use or mention OWASP
  -> Juice Shop! Just contact the project leader to discuss your plans:
  +> An easy way to get stickers is to somehow
  +> [contribute to the project](CONTRIBUTING.md) by fixing an issue,
  +> finding a serious bug or submitting a good idea for a new challenge!
  +> We're also happy to supply you with stickers if you organize a meetup
  +> or conference talk where you use or talk about or hack the OWASP Juice
  +> Shop! Just contact the project leader to discuss your plans:
  > bjoern.kimminich@owasp.org!
  ## Donations
  