Welcome the Technical Support section. Help us in assisting you by providing us with a concise and descriptive elaboration of your issues. Be specific and if possible, provide us with a step-by-step instruction in replicating your problem.
here the steps:
1. copy /components/com_community/templates/jomsocial/layouts/profile.about.php into /templates/[your front end template]/html/com_community/layouts/profile.about.php