Update README.md

Author: oonap0oo

README.md

@@ -920,7 +920,7 @@ Screenshot showing two "gosper's guns" these patterns create other patters calle
 Cells with 2 neighbours are shown in red, cells with 3 are orange.
 
 Recording:
-[https://youtu.be/63jfOTeC7Dc?si=aUkHD4W33TaYDF15(https://youtu.be/63jfOTeC7Dc?si=aUkHD4W33TaYDF15)
+[https://youtu.be/63jfOTeC7Dc?si=aUkHD4W33TaYDF15](https://youtu.be/63jfOTeC7Dc?si=aUkHD4W33TaYDF15)