message: Remove stray backtick from doc
diff: @@ -985,7 +985,7 @@ When used with `credentials` file tokens, it needs the `-Z unstable-options`
  command-line option:
  ```console
  -cargo logout -Z unstable-options`
  +cargo logout -Z unstable-options
  ```
  When used with the `credential-process` config, use the `-Z
  @@ -993,7 +993,7 @@ credential-process` command-line option:
  ```console
  -cargo logout -Z credential-process`
  +cargo logout -Z credential-process
  ```
  [`cargo login`]: ../commands/cargo-login.md
  