Alter "Welcome, No approval required"

Issue Summary

Good software models best practices. Along that thought, would it be possible to alter the "welcome, no approval required" email? As it is, the "default" (which is likely to be used) is confusing. Unless we have some kind of checklist / suggestions functionality in Drupal (hmmm....), along the lines of "you should customize your account emails), it's just one more thing for busy admins to not get around to or forget until the *wrong* email instructions confuse or mislead someone...