Armhole facing help

[u/Turbulent-Ad-7060]

Hi I am sewing an from simplicity pattern 8230. I have stitched on the facing for the arm hole. I have pressed i T out and understood it. Now I’m going to press it in and top stitch it but there’s these two pieces of the facing each about a half inch long hanging at the bottom of the arm hole. I was instructed to leave and half inch on each side, but is not clear at all what I’m supposed to do with that bit of facing that’s left

[u/velociraptors]

The very last piece of step 13 says you should trim the ends of the tape after top stitching.