Help! I don't understand the instructions

Can any one tell me what it is meant by--- 2 hdc in last st. Join A. Turn. ---I don't understand this "Join A" does anyone out there know what that means? I tried to google it with no luck.
Thanks

Forums: 

If you are making an item with several colors - A would be the color to join into the Pattern at this time !
Best to you as you Create !

Mother Hen <>< " Creating Is A God Thing "