1. Edit file qa-include/lang/qa-lang-question.php
2. Change this line accordingly:
'select_text' => 'Best answer',
If you want to do things even better, you can use a translation. Refer to this section in particular: https://docs.question2answer.org/translate/#customizing-selected-urls-or-phrases
Welcome to the Q&A site for Question2Answer.
If you have a question about Q2A, please ask here, in English.
To report a bug, please create a new issue on Github or ask a question here with the bug tag.
If you just want to try Q2A, please use the demo site.