It's alright, pretty good for a first. One thing I'd work on is a- remember to always get rid of HUD before filiming, and B- try to get the right aspect ratio. You want it to have a 16:9 resolution. The rest is mainly just practice imo. You'll learn to get a better taste for how long clips should be, what music to use and when, etc. Also remember to take time to write a good script beforehand (unless it's something really small and simple.) Writing a script helps you to look over it and revise it more easily, it also helps you to remember everything.
