Unfortunately, this is happening on many real estate web sites. Flag the rental listing by hitting the "report an error" tab on the listing page here on Trulia.
Call Trulia at 415-748-3700 M-F from 7:00am-4:00pm PST to alert them to it.
Since it is the weekend you may also wish to send them an e-mail message at:
Be sure to include the entire address of your rental listing in the message.
Prudential Connecticut Realty