The first command sets the size of all pages. The second command sets the size
of the pages that the @code{\paper} block applies to -- if the @code{\paper}
block is at the top of the file, then it will apply to all pages. If the
-@code{\paper} block is inside a @code{\score}, then the paper size will only
-apply to that score.
+@code{\paper} block is inside a @code{\book}, then the paper size will only
+apply to that book.
The following paper sizes are supported: @code{a6}, @code{a5}, @code{a4},
@code{a3}, @code{legal}, @code{letter}, @code{tabloid}.