Hm, no I would say this is expected. To keep the # symbol from being considered as a header. You'll want to add a \ in front of it which will escape that formatting.
So it will look like this:
Hello Community! My name is Brittany Joiner and I am a Trello enthusiast and Atlassian Community Leader. I'll be sharing with you a series of videos with my top tips on how to best use Trello...
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