Moderators can change the author of a thread and of the first
message inside of this thread by clicking on the link “Change author” to
the right of each message
.
A new window will open for you to enter the pseudo of the new author that you want to associate with this thread. Click on validate to perform this action.
Moderators can only edit the author of a thread by going to the “Change author” option of the first message of this thread. Administrators, however, can change the author of any messages.