Update index.md

materials/index.md

@@ -60,6 +60,8 @@ These will be tested on Moodle!
 - [Unity3D basics, Roll-a-ball](https://learn.unity.com/project/roll-a-ball)
     - Upload the webgl build on student S-folder for example!
 	- Optional: [PhaserJS Basics](https://phaser.io/tutorials/making-your-first-phaser-3-game)
+    - If you have studied Peliohjelmointi TTOS0700, you can ignore this
+    - If you have done any game project with Unity3D, please provide a link and ignore this
 
 See the deadline is the course timetable above.