Otherwise, what the OP has done, if what he says is true, is not plagiarism, but it's not 100% honest either.
It would be best to include the original link, to save the mods time as well as those checking for plagiarism. But, I wouldn't say it is dishonest; it's their intellectual property. They are even missing out from the free publicity their blog would get from linking it on the forum.
VerifiedThis shows you are truly the owner of the original article. Did you reply the email address in your ban message? Send then details of the updated article and wait for a feedback.