On p.9, paragraph 1. "See the following sections for some other options choices". Should be "option choices" or, better still, "choice options".
On p.46, paragraph 4, the word "able" has some spurious characters in it.
Hi 
I'm not sure about wider context but perhaps reduce "option choices" to
just "options"? Hmm, that doesn't seem right either!
It is almost definitely wrong to have both words as plurals. So, "option
choices" is better but it still looks odd given the meanings of the two
words. Perhaps "choice of options" might make more sense? Maybe "the
choice of settings available for the various options"?
Good catches, as always!
Congrats and regards from
Tom