diff --git a/src/librustc_typeck/diagnostics.rs b/src/librustc_typeck/diagnostics.rs
index d06030637af..e9e52a0121a 100644
--- a/src/librustc_typeck/diagnostics.rs
+++ b/src/librustc_typeck/diagnostics.rs
@@ -2040,6 +2040,7 @@ impl Foo for Bar {
     // the trait
     fn foo(&self) {}
 }
+```
 "##,
 
 E0186: r##"