diff --git a/.github/contributing.md b/.github/contributing.md
index d75232ba5753445b068f126eb2bced8fbe4f1ee8..f3b8c55887362e64ae7fe2a7f1eba141d7675ed2 100644
--- a/.github/contributing.md
+++ b/.github/contributing.md
@@ -70,6 +70,8 @@ We don't want you spending an hour trying to work out something that would take
 For that reason, we have a Slack channel dedicated to helping anyone who's working on or considering Pull Requests for Renovate.
 Please email rhys@arkins.net and simply mention that you need an invitation to the channel and you'll be added ASAP.
 
+Important: this Slack group is restricted to development questions only in order to keep the volume of messages lower - all technical support questions should still be posted to this repository's Discussions instead.
+
 ## Legal
 
 Pull Request authors must sign the [Renovate CLA](https://cla-assistant.io/renovateapp/renovate).