Even more CI fix

Jules-Bertholet · Jules-Bertholet · commit 3dfbfd99ecbd · 2024-05-11T21:06:40.000-04:00
diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs
@@ -1635,7 +1635,7 @@ declare_lint! {
     ///
     /// ### Example
     ///
-    /// ```edition2021
+    /// ```rust,edition2021
     /// #![feature(ref_pat_eat_one_layer_2024)]
     /// #![warn(rust_2024_incompatible_pat)]
     ///
