Meaning of ADVERTISEMENT in English
BAD : I have just seen your advertisement about a Chinese cook.
GOOD : I have just seen your advertisement for a Chinese cook.
BAD : I am writing in reply to your advertisement of a part-time sales assistant.
GOOD : I am writing in reply to your advertisement for a part-time sales assistant.
an advertisement for sb/sth : 'an advertisement for Heinz tomato soup'.
Longman Common Errors English vocabulary. Английский словарь распространенных ошибок Longman. 2012