Grrrrrrrrrrrrrr, béta patchnotes...

Priest
Circle of Healing (Holy): Now works on any targets in the caster’s raid, and is now a “smart” heal and chooses the lowest health targets to heal first within it’s range. Also now has a 6 second cooldown. Also no longer will heal summoned Snakes from Hunter’s Snake Trap.

'nyáááád.. pardon