If you are looking for a physical "paper" reference, the term most commonly appears in the community regarding:
Pokémon Omega Ruby Update 1.4 , released on April 22, 2015 , was a mandatory patch designed to maintain the stability and online functionality of the game on the Nintendo 3DS. While the patch notes remained brief, the update was critical for players wishing to continue using the game's extensive communication features. Core Update Details Mandatory Requirement Pokemon Omega Ruby Update 1.4
was released on April 23, 2015 , primarily as a mandatory patch to ensure continued access to online features. Update Details If you are looking for a physical "paper"