I got this email
Dear xx_xx_,
Recent personal account information change
We are writing to confirm that, as requested, we have updated your Name in our records. Your protection and security is very important to us. Therefore, if you did not personally request an update to your information, please call Qantas Premier Card Support immediately on 1300 992 700 (+61 1300 992 700 if calling from overseas). We're available 24 hours a day, 7 days a week. This letter has been sent solely as a security measure to authenticate your personal information update. If the update was done at your request, you don't need to take any further action and can ignore this letter.
Yours sincerely,
The Qantas Money Team
I did get thru to Qantas Money, agent says no worries , no further action needed , and to ignore this kind of email over the next few days as the fault is fixed !!!