Optus $50 bonus credits?

[Edmund]

I just got this email:

Terms: * Optus Pre-Paid Bonus Weekend: Available to Optus & Boost Pre-Paid Mobile customers. Credit expires in 30 days. Minimum recharge $30. Offer starts 00:01am AEDST 21/03/09. Ends 11.59pm AEDST 22/03/09. You will receive $50 of Rev-Up Bonus which can be used for standard talk and text. Rev-Up Bonus excludes premium SMS and content, international roaming charges, Zoo content usage charges, Instant Messenger, video calling, 966 and satellite calls. Bonus credit will be applied to your account within 48 hours of activation. For some call types, any free minutes or text included in your calling offer will be used before your Rev-Up Bonus is used. Visit www.optus.com.au⁄bigweekend for more info. ^ SMS to 966: SMS to 966 is free of charge, as is reminder sent to customers on Saturday 21/03/09 at 9.00am AEDST. Customers will be sent the SMS as per the time zone indicated by their chosen postcode in the keyword sent to 966. Optus accepts no liability for any loss as a result of a delay in receiving the SMS reminder.

To contact Optus via mail, write to Optus Administration Level 13, GPO Box 53, Collins Street West, Melbourne VIC 8000.

I dont get the part in bold...