‘joke’? what’s that???

Hi aska,I was just browsing through your site and something caught my eye. Below I’ve copied and pasted a Top 5 list you have on one of your pages. It looks like it might be some sort of typo or error of some kind, but have a close look at the #4 thing on this list. I’m not offended I just thought I’d make you aware if you aren’t already. Here’s the URL as well:
https://askastudent.utoronto.ca/?page_id=689

From Dictionary.com:?

joke noun joked, joking, verb?

-noun

1. something said or done to provoke laughter or cause amusement, as a witticism, a short and amusing anecdote, or a prankish act: He tells very funny jokes. She played a joke on him.

2. something that is amusing or ridiculous, esp. because of being ludicrously inadequate or a sham; a thing, situation, or person laughed at rather than taken seriously; farce: Their pretense of generosity is a joke. An officer with no ability to command is a joke.

3. a matter that need not be taken very seriously; trifling matter: The loss was no joke.

4. something that does not present the expected challenge; something very easy: The test was a joke for the whole class.? 5. PRACTICAL JOKE? -verb (used without object)

6. to speak or act in a playful or merry way: He was always joking with us.

7. to say something in fun or teasing rather than in earnest; be facetious: He didn?t really mean it, he was only joking.?

-Related forms jokeless,?adjective. jokingly,?adverb.?

-Synonyms: ?wisecrack, gag, jape, prank, quip, quirk, sally, raillery.