Editing profiles and other difficult updates.

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I am looking for some help on updating my myLot profile. I can't seem to find the appropriate buttons to click to update the website I have listed under my avatar icon space. ( I don't have a picture in it right now) . I have made great strides in a very short amount of time in making money online and want to change things so people can better understand when they visit my profile. I also want to change the sentence above my avatar. I think it was a "state something about yourself" or some other such thing to put a quote in. i can't quite remember. All in all, I am having quite a hard time editing it. Am I just a big dummy or is there something to this ? Thanks everybody, in advance, for your responses !