I like it, its nice and simple and basically gets all the info across with nothing flash. Id say its quite good, and to not change it - depending on your attitude and how you act in general. Probably should make that sig resemble yourself, and if you want to be considered a more agressive/argumental kind of person, then that wont work. I see a kinda easy going, relaxed and chilled out guy with that, who wont start shit when it doesnt need to be started.
Nice work man.