message: Rustfmt's to field points to rustfmt-preview, instead of rustfmt.
  Within the current channel-layout documentation, the documentation states that
  the table 'renames.rustfmt' has a 'to' field with the text 'rustfmt'.
  The actual table however contains the text 'rustfmt-preview'.
  This makes sense as the rename would otherwise point to itself.
diff: @@ -60,7 +60,7 @@ There are then a number of top level sections (tables) which are:
  Typically renames are used when a package leaves its preview state and is
  considered to be release quality. For example, the actual package for
  `rustfmt` is called `rustfmt-preview` but since its release there has been a
  - `renames.rustfmt` table whose `to` field is `rustfmt`. When the user runs
  + `renames.rustfmt` table whose `to` field is `rustfmt-preview`. When the user runs
  `rustup component add rustfmt` the name is automatically translated to
  `rustfmt-preview` and when the user runs `rustup component list` then
  `rustfmt-preview` is automatically renamed back to `rustfmt` for display to
  