For those of you who are new to sewing, I thought I'd drop a little hint on how to stitch two pieces together when one is pointed and the other squared. In this case, it is a seam attaching the sleeve to the front bodice in Louise Cutting's shirt pattern By Popular Demand.
What you need to do is overlap the two pieces like this:
To get it right, have the seam exactly at 5/8" on the pointy piece:
And when you're done, you will have a nice rounded edge like this: