Re: [PATCH 2/2] docs: rust: clarify what 'rustup override' does

[Alice Ryhl]

> 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>