changing the text min. 16 (on credit buying page)

Hi,

i am tying to change the minimum spend text see - http://monosnap.com/image/DC6Ht2tpLSTVMOnDyKenFUshGCkr2O

tried using the Ultimate branding but it seems not to have an effect - http://monosnap.com/image/J2HgG0XZcXYMPSCFas8Ot47wDIHO1q

on this page: http://tinyurl.com/o6gy9lk

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Using the "My Cred" Plugin - http://mycred.me/

Support Access open

Thanks

Tom