docs: Update broken link

site/docs/10-physics/08-collision-groups.mdx

@@ -20,7 +20,7 @@ The rules of our game:
 
 ![Example image of our rules](collision-filtering.jpg)
 
-Additional info: see Aurelien's [post](https://www.aurelienribon.com/post/2011-07-box2d-tutorial-collision-filtering) on the subject of collision filtering as it applies to other libraries.
+Additional info: see Box2D [collision filtering tutorial](https://www.iforce2d.net/b2dtut/collision-filtering), this is modeled after their approach. See Box2D [filter reference](https://box2d.org/documentation/structb2_filter.html)
 
 ## How Collision Groups Work