message: fix: Emphasize git dependency version locking behavior.
diff: @@ -147,6 +147,11 @@ the latest commit on a branch named `next`:
  rand = { git = "https://github.com/rust-lang-nursery/rand", branch = "next" }
  ```
  +Once a `git` dependency has been added, Cargo will lock that dependency to the
  +latest commit at the time. New commits will not be pulled down automatically
  +once the lock is in place. However, they can be pulled down manually with
  +`cargo update`.
  +
  See [Git Authentication] for help with git authentication for private repos.
  > **Note**: [crates.io] does not allow packages to be published with `git`
  @@ -445,5 +450,3 @@ log-debug = ['foo/log-debug'] # using 'bar/log-debug' would be an error!
  }
  })();
  </script>
  -
  -
  