ref(flags): clarify launchdarkly webhook setup docs (#12238)

Author: michellewzhang

docs/organization/integrations/feature-flag/launchdarkly/index.mdx

@@ -20,19 +20,20 @@ Sentry can track changes to feature flag definitions and report suspicious featu
 
 ### Set Up Change Tracking
 
-Enabling Change Tracking is a three step process. To get started visit the [feature-flags settings page](https://sentry.io/orgredirect/organizations/:orgslug/settings/feature-flags) in a new tab. Then follow the steps listed below.
+Enabling Change Tracking is a three step process. To get started, visit the [feature flags settings page](https://sentry.io/orgredirect/organizations/:orgslug/settings/feature-flags) in a new tab. Then follow the steps listed below.
 
-1. **Click the "Add New Provider" button.
+1. **Click the "Add New Provider" button.**
     - One webhook secret can be registered per provider type.
+    - Select LaunchDarkly in the dropdown that says "Select a provider".
 2. **Register the webhook URL**.
     - Copy the provided Sentry webhook URL and paste it into LaunchDarkly within their [webhook integration UI](https://app.launchdarkly.com/settings/integrations/webhooks/new).
 3. **Set the Signing Secret**.
-    - In the LaunchDarkly webhook UI check the box that says "Sign this webhook".
-    - Copy the signing secret in the revealed input box and paste it into the input box labeled "Secret" in Sentry.
-    - Save the secret by clicking "Save Secret" in the Sentry fly out.
-    - Save the webhook by clicking "Save Settings" in LaunchDarkly.
+    - In the LaunchDarkly webhook UI, check the box that says "Sign this webhook".
+    - Copy the signing secret in the revealed input box and paste it into the input box next to "Secret" in Sentry settings.
+    - Save the secret by clicking "Add Provider" in Sentry settings.
+    - Save the webhook by clicking "Save settings" in LaunchDarkly.
 
-Once saved Sentry will now accept and authenticate all inbound hooks to your organization's feature flag webhook endpoint.
+Once saved, Sentry will now accept and authenticate all inbound hooks to your organization's feature flag webhook endpoint.
 
 ## Metrics Integration