Ditto what everyone else has said, I wouldn't worry about this one block.

OR, if it does bug you too much to use, you could always use it as your label on the back. You could write in the yellow spaces or fuse and stitch a little muslin to the center to write on.

Gah. Don't sweat it and move on. Lol @ galloping horses. I do agree with the above advise though. Master the scant seam allowance and missing points will be a thing of the past.
That's something these kind people taught me that moved me up a level on the quilting ladder.