Update README.md

Author: nikolasburk

subscriptions-with-apollo/README.md

@@ -103,6 +103,6 @@ mutation {
 
 ## Help & Community [![Slack Status](https://slack.graph.cool/badge.svg)](https://slack.graph.cool)
 
-Join our [Slack community](http://slack.graph.cool/) if you run into issues or have questions. We love talking to you!
+Say hello in our [Slack](http://slack.graph.cool/) or visit the [Graphcool Forum](https://www.graph.cool/forum) if you run into issues or have questions. We love talking to you!
 
 ![](http://i.imgur.com/5RHR6Ku.png)