The first time you publish a loop in one of the libraries you will be asked to create a simple profile that can be shown in the library. You add a picture to your profile, under your profile settings, if you haven’t done that in Loops before. And in the library profile you briefly describe yourself. The purpose of this is to allow other leaders, who find your loop in the library, to get to know you a little bit.
You will find the profile unfolded in the publishing pop-up the first time you publish a loop. It looks like this: