warning message; warning label
Refers to written cautionary text, such as on products, signs, or documents.
There is a warning message written on this medicine box.
Please read the warning labels in the instruction manual carefully.
警告文 is a more general term for a warning statement, while 注意文言 specifically implies a concise cautionary phrase or label.
Compound of 注意 (caution, warning) and 文言 (wording, phrase).