You are correct, Smithy. Those types of changes only mods and admins can do. However, 'Report' has a different purpose, though. It is better to use PM (Private Messages) for asking about these types of changes.As if by magic.
In fact, by Jimsky. Since nothing we tried was working I guessed that title changes here are only possible for admin staff so I reported your difficulties by clicking on the 'report' button bottom left of each post. It seems to be the best way to contact the admins.