diff --git a/tests/ui/on-unimplemented/bad-annotation.stderr b/tests/ui/on-unimplemented/bad-annotation.stderr
index a8d3c8680faae..9bb9423788c20 100644
--- a/tests/ui/on-unimplemented/bad-annotation.stderr
+++ b/tests/ui/on-unimplemented/bad-annotation.stderr
@@ -17,7 +17,7 @@ error[E0230]: there is no parameter `C` on trait `BadAnnotation2`
 LL | #[rustc_on_unimplemented = "Unimplemented trait error on `{Self}` with params `<{A},{B},{C}>`"]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error[E0231]: only named substitution parameters are allowed
+error[E0231]: only named generic parameters are allowed
   --> $DIR/bad-annotation.rs:27:1
    |
 LL | #[rustc_on_unimplemented = "Unimplemented trait error on `{Self}` with params `<{A},{B},{}>`"]