Update index.mdx

Scale gate for pre mfa

Author: clairekinde11

src/content/docs/workflows/about-workflows/index.mdx

@@ -19,8 +19,8 @@ Currently, you can use the following triggers:
 - `m2m:token_generation` - when a request to the token endpoint is made with an M2M application.
 - `user:new_password_provided` - when a user requests to create or reset a password.
 - `user:existing_password_provided` - when a user hasn’t signed in, but they have requested to sign in and given their current password.
-- `user:pre_mfa` - where the user has completed single factor authentication (e.g. email + password or Google) and determined which organization (if any) they are trying to access.
 - `user:tokens_generation` - An ID or access token is generated after authentication or refresh token request.
+- `user:pre_mfa` - where the user has completed single factor authentication (e.g. email + password or Google) and determined which organization (if any) they are trying to access. This trigger is only available to customers on a Kinde Scale plan.
 
 We will add more triggers (and allow you to create your own) as we develop the feature.