Update readme

README.md

@@ -2,9 +2,6 @@
 
 Sioyek is a PDF viewer with a focus on textbooks and research papers.
 
-## Help Wanted
-I want to do a video tutorial on sioyek, but I am not very good at making videos. If you are interested in collaborating on doing an official video tutorial for sioyek, please contact me at a.hr.mostafavi@gmail.com .
-
 ## Contents
 * [Installation](#install)
 * [Documentation](#documentation)
@@ -43,6 +40,10 @@ You can view the official documentation [here](https://sioyek-documentation.read
 
 [![Sioyek feature overview](https://img.youtube.com/vi/yTmCI0Xp5vI/0.jpg)](https://www.youtube.com/watch?v=yTmCI0Xp5vI)
 
+For a more in-depth tutorial, see this video:
+
+[![Sioyek Tutorial](https://img.youtube.com/vi/RaHRvnb0dY8/0.jpg)](https://www.youtube.com/watch?v=RaHRvnb0dY8)
+
 ## Features
 
 ### Quick Open