A myth gives a religious explanation for something, while a legend is a story told as if it were a historical event.
This is just one of a thousand rules every member of The Storymerchants Guild must learn and follow when conducting business.
There are laws about proper labeling of products and services, and stories are no different.
One must be precise, otherwise proper tariffs, taxes, and fees won’t be collected.
And The Royal Auditors are quite diligent about checking the details.
In fact, I remember one time when two goblin bards…
Wait… hold on…
(Is this Myth or Legend?)