i believe it said xbox topics but so last night i was banned for INAPPROPRIATE behavior i did nothing 
and it didn’t tell me how long i was banned for this is my 2nd ban idk what i did this time and the email i got said nothing of an end date and an xbox live message literally said nothing there was no message when i clicked on it does anyone know how long a 2nd ban lasts. plus i looked in xbox.com this happened to 2 others
You should probably go post it on the xbox forums. This is the Halo Waypoint general forums.
Actually…You need to go post it on the xbox forums.
This is not a Halo issue, go ask Xbox forums.