You are entitled to the exemption if your child qualifies as your dependent. To correct the return, you must provide the correct social security number and information for your daughter. You can contact the phone number listed in the upper right hand corner or the letter you received or return the correct information with a copy of the IRS letter in the envelope provided. If you call, be sure to have all of the information available to provide to the assistor who in many cases help you over the phone.