diff --git a/constructs/slack-app-alert-channel.mdx b/constructs/slack-app-alert-channel.mdx
index b18b7135..b63e57ac 100644
--- a/constructs/slack-app-alert-channel.mdx
+++ b/constructs/slack-app-alert-channel.mdx
@@ -9,7 +9,7 @@ canonical: 'https://www.checklyhq.com/docs/constructs/slack-app-alert-channel/'
 import AlertChannelOptionsText from '/snippets/alert-channel-options-text.mdx';
 
 <Tip>
-Slack App alert channels require the [Checkly Slack App](/integrations/alerts/slack) to be installed in your Slack workspace.
+Slack App alert channels require the [Checkly Slack App](/integrations/alerts/slack) to be installed in your Slack workspace. When it isn't connected to your Checkly account, the CLI commands that validate your project, such as `npx checkly validate`, `test` and `deploy`, fail with an error for each Slack App alert channel with Slack destinations.
 </Tip>
 
 Sends alert notifications to Slack channels and as DMs.