I-765 help!

[meldy360]

I got this on check my status today stated " On January 26, 2013, your address was changed relating to the I765, APPLICATION FOR EMPLOYMENT AUTHORIZATION that you filed. Please check our website at www.uscis.gov for further updates on your case. Please wait until the end of normal processing time before calling customer service at 1-800-375-5283 for live assistance."
I dont really understand it. Does it means that my mailing address has been changed or what? I never summited any form to change my address. Please guys, I need clarifications on this. Thanks.