message: Fix announcement link
diff: @@ -51,7 +51,7 @@ You can easily share your Playgrounds with others by clicking on the "Share" but
  <img src="https://camo.githubusercontent.com/daf8c64dbde3097fdbe782c0645552550d530a73/68747470733a2f2f696d6775722e636f6d2f48316e36346c4c2e706e67" alt="" data-canonical-src="https://imgur.com/H1n64lL.png" style="max-width:100%;">
  </a>
  -> You can also find the announcement blog post [here(https://blog.graph.cool/introducing-graphql-playground-f1e0a018f05d).
  +> You can also find the announcement blog post [here](https://blog.graph.cool/introducing-graphql-playground-f1e0a018f05d).
  ## Settings
  