message: Update cargo-toml-vs-cargo-lock.md
  - Improved wording ('rev' is not a line)
diff: @@ -43,7 +43,8 @@ could happen. There could be more commits to `regex` in the meantime, and my
  build would include new commits while yours would not. Therefore, we would
  get different builds. This would be bad because we want reproducible builds.
  -We could fix this problem by putting a `rev` line in our `Cargo.toml`:
  +We could fix this problem by defining a specific `rev` value in our `Cargo.toml`,
  +so Cargo could know exactly which revision to use when building the package:
  ```toml
  [dependencies]
  