Doing up bedroom, boarded/skimmed ceiling, old plaster walls

Doing up bedroom...
Just had ceiling boarded and skimmed by plasterer. The walls, which are old (grey) plaster (1880s house), are not going to be skimmed. Wallpaper was stripped off before the ceiling was boarded...
Now I'm planning to remove the remaining distemper from the walls, wash, make good, prime and paint. Just lacking a little confidence:does this sound right and is there anything I should watch out for? Also, the plasterer taped the wall/ceiling angle but only skimmed over the tape on the ceiling. He said to cut the tape on the wall and caulk the angle. Again, anything I need to look out for with this? Would it be better to easi-fill over the tape on the walls rather than cut it? Do I need to mist coat the ceiling first?
Cheers in advance...

hankey said:

Would it be better to easi-fill over the tape on the walls rather than cut it?

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I would. Less likely to crack along ceiling line. And easier if for whatever reason you decide later to skim the walls. Yes to mist coat.

Cheers for your quick reply, unfortunately I've already cut some of the tape! Is this going to be a problem or should I just leave it and easi-fill the rest of the tape after mist coating the ceiling?

It's up to you. Nothing you can do about the cut tape now. I can't personally see the point in scrimming the joint if you're only going to cut it off immediately. If it does crack you can always cove it.......