On the page describing the ebook, it says (my bold)
Many scenes (like Quixote’s attack on the windmills) and characters (like Sanch Panza and Lothario) are so famous that they’re ingrained in our collective culture.
where it probably should be Sancho.
(Additionally, where can one find the source for the description pages? I looked and couldn't find it...)
The Project Gutenberg edition of Don Quixote includes a number of illustrations made by Gustave Doré. Would it be useful to include those illustrations in the Standard Ebooks edition, too?
Out of curiosity, I had a look at this commit to see what it corrected. It's a little hard to see on GitHub, as it doesn't highlight the actual changes within a line, so I may have missed other corrections, but the change from "any where" to "anywhere" is incorrect: the sense is "if there happen to be any [bears and/or wolves] where…