In spite of the hole, your knitting is looking great
. I can't see it very well, but I wonder if the hole would have blocked out. Of course, that would only work if your design wasn't messed up. I sometimes get smallish holes in my knitting, and it's where I made a looser stitch. These usually work themselves out "in the wash," so to speak.
It sounds like you're learning some valuable lessons with this project. It's good to know how to "frog" back and fix something, and you appear to have done it perfectly! You deserve a pat on the back for just that feat alone.