Update free-courses-hi.md

Author: saymanlal

courses/free-courses-hi.md

@@ -593,7 +593,7 @@
 
 #### Redux
 
-* [Redux toolkit crash course | Chai aur React Series](https://www.youtube.com/watch?v=1i04-A7kfFI) - Hitesh Choudhary (Chai aur Code)
+* [Redux toolkit crash course \| Chai aur React Series](https://www.youtube.com/watch?v=1i04-A7kfFI) - Hitesh Choudhary (Chai aur Code)
 * [Redux toolkit tutorial in Hindi](https://www.youtube.com/playlist?list=PLwGdqUZWnOp2nz2T6SfWX9t6D6SYn3XlN) - Vinod Bahadur Thapa (Thapa Technical)
 * [Redux tutorial in Hindi](https://youtube.com/playlist?list=PL8p2I9GklV47TDYUq8RmFzeI9CgOoVgpJ&si=p-4s6qJ31ReIbKqj) - Code Step by Step