Update README.md

Author: msuchard

README.md

@@ -1,5 +1,5 @@
 # Tutorials
-A collection of tutorials for the [OpenMendel](https://github.com/OpenMendel) project. See [cite]() if you use the code in your research.    
+A collection of tutorials for the [OpenMendel](https://openmendel.github.io) project. See [cite]() if you use the code in your research.    
 
 ## Acknowledgments
 This project is supported through National Institutes of Health R01 HG006139.