Why does this matter? Playing an NTSC game on a PAL Wii (without mods) often results in black-and-white video or screen roll. The tag warns users that this file is intended for North American or Japanese (NTSC-J) hardware.
Here’s a clean, informative write-up you can use for a release or ROM listing (e.g., on a forum, private tracker, or archive page): Resident Evil - TDC -WBFS- -SBDE08- -NTSC- -wiiGM-