Clarify "Setting up events" section (#648)

This adds a few extra directions to help users find the **Subscribe to bot events" section.

Author: hestonhoffman

docs/_tutorials/getting_started.md

@@ -144,7 +144,7 @@ It's time to tell Slack what events we'd like to listen for.
 
 When an event occurs, Slack will send your app some information about the event, like the user that triggered it and the channel it occurred in. Your app will process the details and can respond accordingly.
 
-Scroll down to **Subscribe to Bot Events**. There are four events related to messages:
+Navigate to **Event Subscriptions** on the left sidebar and toggle to enable. Under **Subscribe to Bot Events**, you can add events for your bot to respond to. There are four events related to messages:
 - [`message.channels`](https://api.slack.com/events/message.channels) listens for messages in public channels that your app is added to
 - [`message.groups`](https://api.slack.com/events/message.groups) listens for messages in 🔒 private channels that your app is added to
 - [`message.im`](https://api.slack.com/events/message.im) listens for messages in your app's DMs with users
@@ -299,4 +299,4 @@ Now that you have a basic app up and running, you can start exploring how to mak
 
 * Bolt allows you to [call Web API methods](/bolt-python/concepts#web-api) with the client attached to your app. There are [over 220 methods](https://api.slack.com/methods) on our API site.
 
-* Learn more about the different token types [on our API site](https://api.slack.com/docs/token-types). Your app may need different tokens depending on the actions you want it to perform. For apps that do not use Socket Mode, typically only the bot (`xoxb`) token and Signing Secret are required. For example of this, see our parallel guide [Getting Started with HTTP](/bolt-python/tutorial/getting-started-http). 
+* Learn more about the different token types [on our API site](https://api.slack.com/docs/token-types). Your app may need different tokens depending on the actions you want it to perform. For apps that do not use Socket Mode, typically only the bot (`xoxb`) token and Signing Secret are required. For example of this, see our parallel guide [Getting Started with HTTP](/bolt-python/tutorial/getting-started-http).