Update free-courses-en.md (#5572)

* Update free-courses-en.md

* Update courses/free-courses-en.md

Co-authored-by: David Ordás <davorpatech@gmail.com>

Co-authored-by: David Ordás <davorpatech@gmail.com>

courses/free-courses-en.md

@@ -128,7 +128,7 @@
 
 ### AutoIt
 
-* [AutoIt Scripting Tutorial](https://www.youtube.com/playlist?list=PL4Jcq5zn02jKpjX0nqI1_fS7mEEb5tw6z) - TutsTeach (HTML)
+* [AutoIt Scripting Tutorial](https://www.youtube.com/playlist?list=PL4Jcq5zn02jKpjX0nqI1_fS7mEEb5tw6z) - TutsTeach (YouTube)
 
 
 ### Bash / Shell