diff --git a/tests_errors/deref-4.ispc b/tests_errors/deref-4.ispc
index 0c45083b..33877f72 100644
--- a/tests_errors/deref-4.ispc
+++ b/tests_errors/deref-4.ispc
@@ -1,4 +1,4 @@
-// Illegal to dereference non-pointer type "float"
+// Illegal to dereference non-pointer or reference type "float"
 
 float func(float a) {
     *a = 0;