diff --git a/black.toml b/black.toml
--- a/black.toml
+++ b/black.toml
@@ -1,3 +1,5 @@
 [tool.black]
 line-length = 80
 exclude = 'build/|wheelhouse/|dist/|packages/|\.hg/|\.mypy_cache/|\.venv/|mercurial/thirdparty/|hgext/fsmonitor/pywatchman/|contrib/python-zstandard/'
+skip-string-normalization = true
+quiet = true
diff --git a/contrib/examples/fix.hgrc b/contrib/examples/fix.hgrc
--- a/contrib/examples/fix.hgrc
+++ b/contrib/examples/fix.hgrc
@@ -11,5 +11,5 @@
 # git+https://github.com/python/black/@d9e71a75ccfefa3d9156a64c03313a0d4ad981e5
 # to have the dependencies for grey.
 #
-# black:command = python3.7 contrib/grey.py --quiet --config=black.toml --skip-string-normalization -
+# black:command = python3.7 contrib/grey.py --config=black.toml -
 # black:pattern = set:**.py - hgext/fsmonitor/pywatchman/** - mercurial/thirdparty/** - "contrib/python-zstandard/**"