diff --git a/chapters/testing/testing_with_nodeunit.md b/chapters/testing/testing_with_nodeunit.md
index 30af5b8..ec610d2 100644
--- a/chapters/testing/testing_with_nodeunit.md
+++ b/chapters/testing/testing_with_nodeunit.md
@@ -17,7 +17,7 @@ For example, we expect our calculator will be able to add and subtract and will
 
 {% highlight coffeescript %}
 
-# tests/calculator.test.coffee
+# test/calculator.test.coffee
 
 Calculator = require '../calculator'