diff --git a/src/librustc/ty/error.rs b/src/librustc/ty/error.rs
index 77613b548cfdb..4ef6a162c8b6f 100644
--- a/src/librustc/ty/error.rs
+++ b/src/librustc/ty/error.rs
@@ -241,7 +241,7 @@ impl<'tcx> ty::TyS<'tcx> {
             ty::Infer(ty::FreshFloatTy(_)) => "fresh floating-point type".into(),
             ty::Projection(_) => "associated type".into(),
             ty::UnnormalizedProjection(_) => "non-normalized associated type".into(),
-            ty::Param(_) => "type parameter".into(),
+            ty::Param(p) => format!("type parameter `{}`", p).into(),
             ty::Opaque(..) => "opaque type".into(),
             ty::Error => "type error".into(),
         }