diff --git a/clippy_lints/src/excessive_nesting.rs b/clippy_lints/src/excessive_nesting.rs
index 4c8ea1ed18d3..d04d833e6304 100644
--- a/clippy_lints/src/excessive_nesting.rs
+++ b/clippy_lints/src/excessive_nesting.rs
@@ -54,7 +54,7 @@
     /// }
     /// ```
     /// ```rust,ignore
-    /// lib// .rs
+    /// // lib.rs
     /// pub mod a;
     /// ```
     #[clippy::version = "1.70.0"]