contents (the ones I'd write with a "git-write-tree")
For example, let's say that you have worked on your working directory, updated
-some files in the index and are ready to commit. You want to see eactly
+some files in the index and are ready to commit. You want to see exactly
*what* you are going to commit is without having to write a new tree
object and compare it that way, and to do that, you just do
actually look at the contents of the file at all. So maybe
`kernel/sched.c` hasn't actually changed, and it's just that you
touched it. In either case, it's a note that you need to
-"git-upate-index" it to make the index be in sync.
+"git-update-index" it to make the index be in sync.
NOTE: You can have a mixture of files show up as "has been updated"
and "is still dirty in the working directory" together. You can always