diff --git a/chapter02/01-Introduction.js b/chapter02/01-Introduction.js
index 93d80a8d..0a43f21c 100644
--- a/chapter02/01-Introduction.js
+++ b/chapter02/01-Introduction.js
@@ -10,3 +10,5 @@ averageTemp[1] = 35.3;
 averageTemp[2] = 42.4;
 averageTemp[3] = 52;
 averageTemp[4] = 60.8;
+var test = 1;
+var test = 1;