diff --git a/SqrtExample/sqrt_demo.py b/SqrtExample/sqrt_demo.py
index 53fa321a3a7633cbaeef7352ceb30a570968a71f..bcbebf57947b38520dd3c92c0d24323f8ee3bb35 100644
--- a/SqrtExample/sqrt_demo.py
+++ b/SqrtExample/sqrt_demo.py
@@ -1,4 +1,4 @@
-#! /usr/bin/eny python
+#! /usr/bin/env python
 
 import math