diff --git a/docs/index.md b/docs/index.md
index d6ee5a9c1c..cf6896a0bf 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -89,7 +89,7 @@ describe('Array', function () {
 Back in the terminal:
 
 ```bash
-$ ./node_modules/mocha/bin/mocha
+$ ./node_modules/mocha/bin/mocha.js
 
   Array
     #indexOf()