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diff --git a/src/tools/clippy/src/docs/create_dir.txt b/src/tools/clippy/src/docs/create_dir.txt
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index 000000000..e4e793768
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+++ b/src/tools/clippy/src/docs/create_dir.txt
@@ -0,0 +1,15 @@
+### What it does
+Checks usage of `std::fs::create_dir` and suggest using `std::fs::create_dir_all` instead.
+
+### Why is this bad?
+Sometimes `std::fs::create_dir` is mistakenly chosen over `std::fs::create_dir_all`.
+
+### Example
+```
+std::fs::create_dir("foo");
+```
+
+Use instead:
+```
+std::fs::create_dir_all("foo");
+```
+\ No newline at end of file