update links to add-ons page (#970)

Author: ethanpalm

ai/slack-app.mdx

@@ -16,8 +16,8 @@ The Slack app adds a bot to your Slack workspace that searches your documentatio
   If your Slack Workspace Owner requires admin approval to install apps, ask them to approve the Mintlify Slack app before you add it.
 </Note>
 
-1. Navigate to the [Integrations](https://dashboard.mintlify.com/settings/organization/integrations) page of your dashboard.
-2. Select **Connect** in the Slack integration card.
+1. Navigate to the [Add-ons](https://dashboard.mintlify.com/products/addons) page of your dashboard.
+2. Select **Connect** in the Slack Integration card.
 3. Follow the Slack prompts to add the app to your workspace.
 4. Test that the bot is working and responds when you:
   - Send a direct message to the Mintlify app.