diff --git a/docs/source/code_examples/macro_commands/opt.ys b/docs/source/code_examples/macro_commands/opt.ys
index be4ba7892..5ed6aba0e 100644
--- a/docs/source/code_examples/macro_commands/opt.ys
+++ b/docs/source/code_examples/macro_commands/opt.ys
@@ -13,4 +13,4 @@ do
     opt_boundary (-boundary only)
     opt_clean
     opt_expr
-while <changed design and under -max_iter>
+while <changed design in opt_dff> (up to -max_iter iterations)