Not a joke. That’s the real caption →
And it’s not the only one. Kevin Underhill found various lawsuits captioned with various things, including this gem:
United States v. Various Works of Art Owned by Randy
That’s a more typical caption, obviously, and several orders of magnitude more specific even considering all the people named Randy in the U.S. There is more good stuff on Lowering the Bar, and you should definitely go read the rest of Kevin’s post.