Use name of the mentioned slack channel.

Author: Julia Jakubcova

CONTRIBUTING.md

@@ -5,8 +5,8 @@ Here you can find a set of guidelines for pitching in.
 
 ## Questions
 
-If you have any questions, please, contact us in the Kotlin [Community Slack](https://kotlinlang.slack.com/) in 
-[this channel](https://kotlinlang.slack.com/archives/CTJB58X7X). To join the Kotlin Community Slack, 
+If you have any questions, please, contact us in the Kotlin [Community Slack](https://kotlinlang.slack.com/) in
+[the #touchlab-tools channel](https://kotlinlang.slack.com/archives/CTJB58X7X). To join the Kotlin Community Slack, 
 [request access here](http://slack.kotlinlang.org/).
 
 For direct assistance, please [reach out to Touchlab](https://touchlab.co/contact-us/) to discuss support options.