diff --git a/rustfmt.toml b/rustfmt.toml
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index 00000000000..9eca009254e
--- /dev/null
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+# For now, this file has no contents as we don't require any specific
+# rustfmt settings. It rather serves as a marker indicating to users and
+# tools that we use rustfmt. In case you add settings to the file, feel
+# free to remove this comment.