update SAT creation instructions

Author: kalanchan

docs/analytics/api.mdx

@@ -4,11 +4,11 @@ The Sourcegraph Analytics API is an API that provides programmatic access to you
 
 ## Access tokens
 
-For Sourcegraph Analytics, you can generate an access token for programmatic access. Tokens are long-lived with an optional expiry and have the same permissions to access instance data as the user who created them.
+For Sourcegraph Analytics, you can generate an access token for programmatic access using your session cookie. Tokens are long-lived with an optional expiry and have the same permissions to access instance data as the user who created them.
 
-### Token management APIs
+### Getting Started
 
-Token management is currently only available via the Sourcegraph Analytics API. Token management APIs are authenticated via the `cas` session cookie.
+Tokens are first retrieved via the `cas` session cookie and then used to generate a long-lived access token. Token management is currently only available via the Sourcegraph Analytics API.
 
 - Sign in to [Sourcegraph Analytics](https://analytics.sourcegraph.com).
 - Retrieve your session cookie, `cas`, from your browser's developer tools.