diff --git a/doc/sample/Simple.im b/doc/sample/Simple.im
index f9a209b..0acd9c7 100644
--- a/doc/sample/Simple.im
+++ b/doc/sample/Simple.im
@@ -4,6 +4,7 @@ use std.io
 
 class Simple
     - init(name:name age:age)
+		v = 1 + 2 squared + not 3.
         self::name = name.
         self::age = age!