diff --git a/CONTRIBUTION.md b/CONTRIBUTION.md
index c99de6daf..73a02bbb7 100644
--- a/CONTRIBUTION.md
+++ b/CONTRIBUTION.md
@@ -90,9 +90,9 @@ If cpplint is ___not___ installed then do:
 Once cpplint is installed, test your file(s) with:
 * `cpplint --filter=-legal my_file.cpp my_other_file.cpp`  # Fix any issues and try again.
 
-The [__clang-format__](https://clang.llvm.org/docs/ClangFormat.html) tool can fix many but not all _cpplint_ issues.
+The [__clang-format__](https://clang.llvm.org/docs/ClangFormat.html) tool can fix whitespace related _cpplint_ issues.
 * On Macs only: `brew install clang-format`  # Only needs to be installed once.
-* All platforms: `clang-format --style=Google -i my_file.cpp`
+* All platforms: `clang-format -i -style="{IndentWidth: 4}" my_file.cpp`
 
 - Most importantly,
     - Happy coding!