Such a single-tree installation makes sure all the other programs
and packages ported from GNU or Unix systems will work seemlessly
together. Where exactly is the root of that tree on your system is
- soimething only you, the user who builds Emacs, can know, and the
+ something only you, the user who builds Emacs, can know, and the
Emacs build process cannot guess, because usually there's no
'/usr/local' directory on any drive on Windows systems.