Only the profile manager or someone on the trusted list is able to change the LNAB. You can post a comment on the profile with your source for the correct spelling and/or you can contact the profile manager directly by clicking on their name and sending a private message.
You can also ask to be added to the trusted list for the profile(s) by clicking on the "Privacy" button and scrolling down to "Add to Trusted List" and making the request.