Lifebloom end heal (wrath)

[Mcal9909]

What is the bug?
2nd and 3rd stack Lifebloom end heal not scaling with spell power

Is it a spell or database issue? (database relates to any NPC, quest or item)
Spell

How can you reproduce it?
Stack lifebloom 2 or 3 times, let it bloom.

Please describe, in detail what is suppose to occur when this bug happens:
If you let a 2 or 3 stack lifebloom bloom it should be exactly 2-3 times higher than a single stack bloom.

Please describe, in detail what happens when it bugs up, and how it's malfunctioning:
The 2nd and 3rd stack are only healing for 776 wich is the amount stated on the tooltip, so they are not gaining from spell power and maybe talents.