Update cargo-toml-vs-cargo-lock.md
Update cargo-toml-vs-cargo-lock.md

 - Improved wording ('rev' is not a line)
eminence/cargo,rust-lang/cargo,eminence/cargo,rustyhorde/cargo,eminence/cargo,rustyhorde/cargo,eminence/cargo,rustyhorde/cargo,rust-lang/cargo,rustyhorde/cargo,rust-lang/cargo,rust-lang/cargo