当 is not correct?

[Omun]

Since Leebo already answered the context, let me just link:

Welcome to the WaniKani Community [Please read this first!]

[Welcome-Banner] Welcome to the WaniKani forum! We’re happy to have you here If it’s your first time using WaniKani, be sure to check out the Knowledge Guide to get an overview of how the program works! Before you get into talking with others about your progress, type of resources, movies, games, etc. you’re getting into these days, or simply showing your praise for the Crabigator, we do have some things we want to let you know about. First off: The WaniKani Community is a pu…

Especially:

@crabigator

Don’t say some of the bad words: Keep it PG-13 . There are kids here. And parents too. Not to mention the elderly, to whom we must show filial piety. It is, despite what you might think, possible to communicate just as effectively without taking a stroll down F-Bomb Lane. Don’t even think about turning down C or B Street.