If you said it in chat and not on /msg then it is advertising. If you dont know how to appeal, you have to go to the Ban Appeals forum and use the correct format for it. If you dont know how to create threads press the New Thread button.
hey i got banned on accident, i was on mcorigins to tell my friend the ip adress of my server so we can play, he already knew the ip adress but he forgot so i told it to him, but then the next second i got banned. and it says i was advertising when