[ubuntu] How do I change the splash screen LUKS prompt text?

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http://ubuntuforums.org – I use LUKS to encrypt one of my partitions (I dual boot 4 gaming) and I used plymouth to change the splash screen to something cool :cool: but when it asks me for my password, it has all of this garbled text that doesn't look too pleasing. It says "Unlocking the disk /dev/disk/by/uuid/*****/blah/blah/blah/" and it runs off the screen. How do I change the text to just say "Enter Decryption Password" (Hardware)