message: [docs] minor fixes to clang-format docs
diff: @@ -529,19 +529,20 @@ to run clang-format scripts on your workstation directly:
  * It's possible there is a speed advantage
  * Docker itself can sometimes go awry and you then have to deal with that
  * Type-ahead doesn't always work when waiting running a command through docker
  +
  To run the tools directly, you must install the correct version of clang. This
  -may change over time but as of January 2019,
  -[clang+llvm-7.0.0](https://releases.llvm.org/download.html) works well. You must
  +may change over time but as of June 2019,
  +[clang+llvm-8.0.0](https://releases.llvm.org/download.html) works well. You must
  also have 'buildifier' installed from the bazel distribution.
  Edit the paths shown here to reflect the installation locations on your system:
  ```shell
  -export CLANG_FORMAT="$HOME/ext/clang+llvm-7.0.0-x86_64-linux-gnu-ubuntu-16.04/bin/clang-format"
  +export CLANG_FORMAT="$HOME/ext/clang+llvm-8.0.0-x86_64-linux-gnu-ubuntu-16.04/bin/clang-format"
  export BUILDIFIER_BIN="/usr/bin/buildifier"
  ```
  -Once this is set up, you can run clang-tidy without docker:
  +Once this is set up, you can run clang-format without docker:
  ```shell
  ./tools/check_format.py check
  