> The behavior of 'rustup override' is not very well known. This patch is > a small edit that adds details about what it does, so users have a better > understanding of how it affects their system toolchain (i.e., it does > not affect system toolchain and only sets a directory-specific > override). > > Signed-off-by: Trevor Gross <tmgross@xxxxxxxxx> Reviewed-by: Alice Ryhl <aliceryhl@xxxxxxxxxx>