Do I know anyone who knows Greek?

I want to make T-shirts with this quote from Aristophanes' "Plutus", and I want to make sure the design is accurate:

καὶ τάς γ' ἑταίρας φασὶ τὰς Κορινθίας,
ὅταν μὲν αὐτάς τις πένης πειρω̂ν τύχῃ,
οὐδὲ προσέχειν τὸν νου̂ν, ἐὰν δὲ πλούσιος,
τὸν πρωκτὸν αὐτὰς εὐθὺς ὡς του̂τον τρέπειν.

(Our vendor just introduced a fancy new product called "Corinthian" for high-end customers, but they haven't implemented many of the requests that their dedicated but poorer customers have been asking for. So if you know Greek, you'll know why this is so funny.)

( Here's the English translation, which may not be safe for work )