Holy Priest Conduit

Mr Robot shows ‘Shining Radiance’ as a preferred potency conduit for my Holy Priest. Shining Radiance improves Power Word Radiance’s healing by 68%. Power Word Radiance is a Discipline Priest spell. What am I missing here?

Do you have a Disc. setup for that character & is it on the AMR priority list ABOVE Holy, on the left of Best in Bags?

If so, move Holy to the top/above Disc. to make the issue ‘go away’.

I don’t have a Disc build, but it was above Holy in the AMR. Problem solved thank you. Had to be something dumb and obvious.