update README with new CORS config dialog in WorkOS dashboard

Author: cmatheson

README.md

@@ -15,7 +15,7 @@ yarn add @workos-inc/authkit-react
 ## Setup
 
 Add your site's URL to the list of allowed origins in the WorkOS dashboard by
-clicking on the "Configure sessions" button of the "Authentication" page.
+clicking on the "Configure CORS" button of the "Authentication" page.
 
 ## Usage