diff --git a/clippy_lints/src/matches/mod.rs b/clippy_lints/src/matches/mod.rs
index d43ad1b8c9c..b2a873ef582 100644
--- a/clippy_lints/src/matches/mod.rs
+++ b/clippy_lints/src/matches/mod.rs
@@ -791,7 +791,7 @@
     /// the match block and thus will not unlock.
     ///
     /// ### Example
-    /// ```rust.ignore
+    /// ```rust,ignore
     /// # use std::sync::Mutex;
     ///
     /// # struct State {}