I think the problem is that you cleaned up the code, when one or more of those #'s shouldn't be removed (I don't think the --'s ahead of the #'s make any difference?). Here's what I have.
Code:
-- Special nods to Jack_Trowell in the Schrapnel Forums for suggesting this one.
#newspell
#copyspell 425
#name "Revelation"
#descr "Through divination, the presence of holy sites in a province become revealed to the priest or prophet. (DO NOT auto-cast 'M' this ritual!)."
--#school 5
#researchlevel 0
#path 0 8
#pathlevel 0 1
#damage 8
#fatiguecost 90
--#spec 276824064
-- 13156352 -- blessing spec
#spec 289980416
#end
Works like a charm.