On fanfiction how do you change your profile?

If you are using fanfiction.net then you do the following:

1) Go to publish, choose "My Stories"

2) Go to the fic you wish to edit in the list and click edit to the right.

3) To edit a current chapter, have the version your going to switch with uploaded in you Doc manager already. Under "Editing Story" choose "Content/Chapters".

4) Go to "Replace/Update Chapter with new Content" and select the chapter your going to edit under "Replace content in Chapter..." then the the document its being switched with under "with content of Document..." the click replace chapter.

If your adding a chapter you just do same, only "Add new chapter" with document your adding.