Editing my art

So I decided to start an Instagram account to upload the things that I draw or letter. This class helped me a lot to get better images and more attractive to the Instagram feed.
I did this lettering for the beginning of February. It was a photo with very bad yellowish light because it was at night and all my lamps have this warm tone. Also, you can see the table, some stains on the paper and also part of the clip that I used to hold the page.I did cut the imagen so it matches the size of the Instagram feed (square 1:1) and delete the stains, table, and clip. Also, I've sharpened the colors and gave the not-at-all white background a whiter tone.