Added author of the course (#11475)

courses/free-courses-en.md

@@ -404,7 +404,7 @@
 
 ### Clojure
 
-* [Clojure language Tutorial - for Beginners](https://www.youtube.com/watch?v=zFPiPBIkAcQ)
+* [Clojure language Tutorial - for Beginners](https://www.youtube.com/watch?v=zFPiPBIkAcQ) - it learning
 * [Clojure Tutorial](https://www.youtube.com/watch?v=ciGyHkDuPAE) - Derek Banas
 * [Functional Programming with Clojure](http://mooc.fi/courses/2014/clojure/)
 * [Poetry of Programming - Clojure for Beginners](https://www.youtube.com/playlist?list=PLI-mrGTUXmHXeKhy6UGdDxIKwM8L4MTbq) - Attila EGRI-NAGY