It appears that the description was copy/pasted without proper adjustments.
'html_type' => 'checkbox',
'default' => 0,
'add' => '4.1',
- 'title' => 'Enable Double Opt-in for Profile Group(s) field',
+ 'title' => 'Track replies using VERP in Reply-To header',
'is_domain' => 1,
'is_contact' => 0,
- 'description' => 'When CiviMail is enabled, users who "subscribe" to a group from a profile Group(s) checkbox will receive a confirmation email. They must respond (opt-in) before they are added to the group.',
+ 'description' => 'If checked, mailings will default to tracking replies using VERP-ed Reply-To. ',
'help_text' => NULL,
'validate_callback' => 'CRM_Core_BAO_Setting::validateBoolSetting',
),