Close code block in example

Centri3 · Centri3 · commit 89e150315685 · 2023-04-25T05:15:46.000-05:00
diff --git a/clippy_lints/src/excessive_nesting.rs b/clippy_lints/src/excessive_nesting.rs
@@ -60,6 +60,7 @@ declare_clippy_lint! {
     ///         private_run(self);
     ///     }
     /// }
+    /// ```
     #[clippy::version = "1.70.0"]
     pub EXCESSIVE_NESTING,
     restriction,
