Fix sentence starting with number digits

Not common to start sentences with digits. APA style, for instance, suggests to express
in words (24 -> twenty-four) [1][2]. In this case, the digits '24 bit' are meaningful.
Better to rephrase as "The 24 bit".

[1] https://apastyle.apa.org/learn/faqs/numbers-as-words
[2] https://en.wikipedia.org/wiki/APA_style