link to video tutorial changed

Author: lchorbadjiev

README.md

@@ -22,7 +22,7 @@ examine the genomic context.
 
 Short video introduction to SCGV can be found here:
 
-[![SCGV short video tutorial](https://img.youtube.com/vi/blvXRedv9xc/0.jpg)](https://www.youtube.com/watch?v=blvXRedv9xc)
+[![SCGV short video tutorial](https://img.youtube.com/vi/t07HFFnl2Bs/0.jpg)](https://www.youtube.com/watch?v=t07HFFnl2Bs)
 
 ## Anaconda Environment Setup