Set Password in Incognito or Private browser Mode

Please confirm this statement before approving, of course 🙇 

In addition to using the incognito mode to `reset` the password, the first admin should also use incognito to `set` the password the first time. If they do not ,and are already signed into GitHub on an existing user account, the set up process will fail and force the user to reset the passwords again.

Author: ProfessorLonghair

content/admin/authentication/managing-your-enterprise-users-with-your-identity-provider/about-enterprise-managed-users.md

@@ -61,7 +61,7 @@ To use {% data variables.product.prodname_emus %}, you need a separate type of e
 
 Your contact on the GitHub Sales team will work with you to create your new {% data variables.product.prodname_emu_enterprise %}. You'll need to provide the email address for the user who will set up your enterprise and a short code that will be used as the suffix for your enterprise members' usernames. {% data reusables.enterprise-accounts.emu-shortcode %} For more information, see "[Usernames and profile information](#usernames-and-profile-information)."
 
-After we create your enterprise, you will receive an email from {% data variables.product.prodname_dotcom %} inviting you to choose a password for your enterprise's setup user, which will be the first owner in the enterprise. The setup user is only used to configure SAML single sign-on and SCIM provisioning integration for the enterprise. It will no longer have access to administer the enterprise account once SAML is successfully enabled.
+After we create your enterprise, you will receive an email from {% data variables.product.prodname_dotcom %} inviting you to choose a password for your enterprise's setup user, which will be the first owner in the enterprise. Please use an incognito or private browsing window when setting the password. The setup user is only used to configure SAML single sign-on and SCIM provisioning integration for the enterprise. It will no longer have access to administer the enterprise account once SAML is successfully enabled.
 
 The setup user's username is your enterprise's shortcode suffixed with `_admin`. After you log in to your setup user, you can get started by configuring SAML SSO for your enterprise. For more information, see "[Configuring SAML single sign-on for Enterprise Managed Users](/github/setting-up-and-managing-your-enterprise/managing-your-enterprise-users-with-your-identity-provider/configuring-saml-single-sign-on-for-enterprise-managed-users)."