Please follow the below method if you need to customize the pet search form labels/placeholders.
Open the file in this path /wp-content/plugins/designthemes-core-features/shortcodes/shortcodes.php using some editor like DreamWeaver and scroll to line no: 817 approximately.
Under the function dt_sc_pet_search_form you can customize the texts as per your need.
If you cannot find the code in the line number specified, just search for dt_sc_pet_search_form in that file and you can find the relevant code.
Leave A Comment?