diff --git a/src/test/ui/const-generics/auxiliary/generics_of_parent_impl_trait.rs b/src/test/ui/const-generics/auxiliary/generics_of_parent_impl_trait.rs
index 83e0c5566be..0d03f56854a 100644
--- a/src/test/ui/const-generics/auxiliary/generics_of_parent_impl_trait.rs
+++ b/src/test/ui/const-generics/auxiliary/generics_of_parent_impl_trait.rs
@@ -1,7 +1,8 @@
 #![feature(const_generics, const_evaluatable_checked)]
 #![allow(incomplete_features)]
 
-// library portion of testing that `impl Trait<{ expr }>` doesnt ice because of a `DefKind::TyParam` parent
+// library portion of testing that `impl Trait<{ expr }>` doesnt
+// ice because of a `DefKind::TyParam` parent
 pub fn foo<const N: usize>(foo: impl Into<[(); N + 1]>) {
     foo.into();
 }