diff --git a/subx/apps/crenshaw2-1.subx b/subx/apps/crenshaw2-1.subx
index 6832c6d5..69a42885 100644
--- a/subx/apps/crenshaw2-1.subx
+++ b/subx/apps/crenshaw2-1.subx
@@ -13,7 +13,7 @@
 # To run the generated output:
 #   $ echo '3'  |./subx run apps/crenshaw2-1 > z1.subx
 #   $ ./subx translate z1.subx -o z1
-#   $ ./z1
+#   $ ./subx run z1
 #   $ echo $?
 #   3
 #