Today, October 6, 2021 an update for Dota 2 was released. Developers Valve added new language files, where the names of the top and bottom grid of The International 10 have been changed.
The full list of changes
Localization files have been updated: New lines were added to the fantasy league interface in English. The name “Upper Grid” has been changed to “Winner’s Grid”. The name “Lower Grid” has been changed to “Losers Grid”.