"You retain all ownership rights in any User Content you post on Freelance Labs. To the extent permitted by applicable law, you also grant to Freelance Labs and our successors and Affiliates a royalty-free, sub-licensable, transferable, perpetual, irrevocable, non-exclusive, worldwide license to use, reproduce, modify, publish, list information regarding, edit, translate, distribute, publicly perform, publicly display, and make derivative works of all such User Content and your name, voice, and/or likeness as contained in your User Content, in whole or in part, and in any form, media, or technology, whether now known or hereafter developed, for use in connection with the Site and Freelance Labs’s, our successors’ and Affiliates’ businesses, including, without limitation, for promoting and redistributing part or all of the Site (and derivative works thereof) in any media formats and through any media channels." §17.4.2
Note that they can both "modify" and "edit" your User Content.