diff --git a/doc/sample/Simple.im b/doc/sample/Simple.im
index 679a0a5..94f6b2e 100644
--- a/doc/sample/Simple.im
+++ b/doc/sample/Simple.im
@@ -6,4 +6,6 @@ y = 32 * 64.
 z = 64 / 4.
 x = y + z.
 
+q = [ x = y[0] ].
+
 cout put:'Answer: {x}'