bleeding heart question

I have a bleeding heart planted in a pot on my front porch. It (normally) has brilliant white flowers that "bleed" red. Recently the flowers are pink and not bleeding. Is this normal for these plants? It was a gift and I've never grown one before. I'm not sure which bleeding heart it is - but it doesn't have the fernlike foliage that I normally associate with it.
Thanks for any help!
Cheryl Cato Burleson Co, TX Zone 8b
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