mislead (one) about (something)
To give one false or deceptive impressions or information about something; to lead one toward a wrong conclusion about something. The accountant had been misleading the bosses about the state of the companies finances while he secretly diverted funds into his own offshore accounts. Don't mislead him about your intentions in the relationship—he deserves to know the truth.
mislead someone about something
to misrepresent something to someone. I hope you are not trying to mislead me about the price. I'm afraid I misled you on this matter.