The only big difference I've seen is in colors.  Where the regular text reads 'press red button', the braille reads 'press two-inch button'.

"Braille", by Randall Munroe, licensed under Creative Commons Attribution-NonCommercial 2.5 License

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The only big difference I've seen is in colors. Where the regular text reads 'press red button', the braille reads 'press two-inch button'.