Update README.md

896fa39d · Amira Abdel-Rahman · 831d657a · 896fa39d
Commit 896fa39d authored 5 years ago by Amira Abdel-Rahman
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@
    - AR/VR
        -  Basic QR Code
            -  https://amiraa.pages.cba.mit.edu/3d_interfaces_recitation/1_Three.js/6_AR/hello-cube.html 
-        -  Creating Custom Codes
+        -  [Creating Custom Codes](https://medium.com/arjs/how-to-create-your-own-marker-44becbec1105)

 ## Unity:
 - Examples: