diff --git a/README.md b/README.md
index 3961abd6..c044962b 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ Among other things, it can take a Gerber file generated by your favorite PCB
 CAD program, and create G-Code for Isolation routing.
 
 
-### my own shell script
+### double sided shell script used  for  Loop Arduino Shield  example from [fritzing](Link URL)http://fritzing.org/
 
 ```
 #!python