Have you accidentally marked your own comment as a dupe instead of the post itself?

	▲	dang 24 minutes ago \| parent [-]
		Ha indeed - thanks!

bsimpson 3 hours ago | parent | prev [-]

It's weird that this appears on the home page twice.

	▲	dang 23 minutes ago \| parent [-]
		I marked my comment as a dupe rather than the submission. Fixed now.