Update change-super-admin.mdx (#29794)

Just adding a recommendation for users to have more than one Super Administrator

Author: vianaedson

src/content/docs/fundamentals/account/change-super-admin.mdx

@@ -9,3 +9,9 @@ If you or someone in your organization leaves or loses access to email, you can
 First, [add a member](/fundamentals/manage-members/manage/) to your account and assign the **Super Administrator** role.
 
 Then, if needed, remove the previous Super Administrator.
+
+:::note
+
+Cloudflare recommends having more than one user as Super Administrators for your accounts, so that if you are unable to login with your credentials for any reason, there is another one you can use to manage your domains.
+
+:::