fix(user migration); add detail about logging in

src/content/docs/accounts/original-accounts-billing/original-users-roles/user-migration.mdx

@@ -89,7 +89,7 @@ Before you start, be sure you've read [the requirements](#requirements) and the
   src={userMigrationPage1}
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-On this page, you'll select the admins you want to migrate. This step will create user records on the new model for the chosen admins and assign them to the **Admin** group. Once done, the chosen admins will have a new user record available upon logging in to New Relic (see image below), and will have access to both the old and new user records until the migration wizard process is completed. The admins you choose here will have the ability to use the migration wizard from their new user record: this may be helpful if you want to choose other team members to finish the migration for you. 
+On this page, you'll select the admins you want to migrate. This step will create user records on the new model for the chosen admins and assign them to the **Admin** group. Once that's done, those admins will have a new user record available upon logging in to New Relic (see image below), and will have access to both the old and new user records until the migration wizard process is completed. Any admin you migrate at this stage can help you complete the migration wizard: that's one benefit to having the admins migrated first. For any user to access the migration wizard after this step is completed, they must sign in with their new user record: this may require signing out of New Relic and re-accessing the log-in screen so that you can see all the log-in options. 
 
 Note that you can always add more admins, or remove and edit existing admins, after you complete the migration process. This may be a reason to bring over many or all your admins now and adjust settings later.