This can have a very easy solution, but to figure it out was a pain.
Since it is rich text, be careful about the how many times you press the key ‘enter’ since it will read as a blank space because it is rich text.
Set the cursor after the colon and press ‘Supr’ to delete the enters after it, the enter that are between that line and the image, it can sounds crazy because the image is just above it, but when we copy paste into a rich text there are enters hidden behind.
Thanks Juan, but even forward deleting didn’t work. I had to look up ‘Supr’, especially for a Mac, and came across the “command” key as well as fn+delete. The latter worked for forward delete, but again there was only one extra space/enter there, so it didn’t remove any white space above the image.