$10 Switch eShop game jumps to $250

[Æon]

We're used to seeing games get marked down this time of year. However, developer Perfect Hat has has decided to increase the price of their physics-based puzzle platformer Membrane from $9.99 to $250:

https://www.nintendo.com/games/detail/membrane-switch/

Is this an innocent typo where they meant to discount it to $2.50? Or is it an intentional marketing scheme so that they can later bring the price back down to $9.99 and have it come up as "96% off!"