Are you using a
.png file with transparent background?, why? - you get more control over the Edit Points or rather the text which uses the edit points as a guide and not the square edges of say a .jpg file.
Click this link>
https://i.imgur.com/hEx1wUL.png . . . . to see and download the
.png file (with tranparent background) I have used. It is larger than you need, but you can resize in Word or image editor to suit your needs.