Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Mayonnaise:

"

A more controversial hypothesis, put forward by the linguist and historian Nicolas Lepreux, suggests that mayonnaise originated in the Mayenne region, and that the "e" would have changed into an "o" over time: the apocryphal story tells that the Duke of Mayenne, on the day before the Battle of Arques, overindulged on chickens seasoned with a remarkable sauce, so that the next day he fell off his horse and lost the battle.[citation needed]