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diff --git a/src/tools/clippy/src/docs/match_wild_err_arm.txt b/src/tools/clippy/src/docs/match_wild_err_arm.txt
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+++ b/src/tools/clippy/src/docs/match_wild_err_arm.txt
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+### What it does
+Checks for arm which matches all errors with `Err(_)`
+and take drastic actions like `panic!`.
+
+### Why is this bad?
+It is generally a bad practice, similar to
+catching all exceptions in java with `catch(Exception)`
+
+### Example
+```
+let x: Result<i32, &str> = Ok(3);
+match x {
+    Ok(_) => println!("ok"),
+    Err(_) => panic!("err"),
+}
+```
+\ No newline at end of file