I am working on the Charlie Vest(Knit One Crochet Too).
I am at the Armhole Shaping part, it tells me:
BO 39 sts at beg of next RS row,
dec 1 st at same edge eor 8 times
75 sts rem
Mark ros for end of shaping.

I can handle the BO part but the dec 1 line is confusing me. It says at same edge but then say eor!
Once again, thanks for help.

Usually it’s end of row, but this might mean every other row.