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-rw-r--r--src/doc/rustdoc/src/lints.md2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/doc/rustdoc/src/lints.md b/src/doc/rustdoc/src/lints.md
index a6626679a7d..c494eef1b57 100644
--- a/src/doc/rustdoc/src/lints.md
+++ b/src/doc/rustdoc/src/lints.md
@@ -227,6 +227,8 @@ This lint **warns by default**. It detects code block attributes in
 documentation examples that have potentially mis-typed values. For example:
 
 ```rust
+#![warn(rustdoc::invalid_codeblock_attributes)]
+
 /// Example.
 ///
 /// ```should-panic