diff --git a/content/videos/challenges/184-elastic-collisions/index.json b/content/videos/challenges/184-elastic-collisions/index.json index 08e59035a..d9125e3d8 100644 --- a/content/videos/challenges/184-elastic-collisions/index.json +++ b/content/videos/challenges/184-elastic-collisions/index.json @@ -76,8 +76,8 @@ { "icon": "📃", "title": "Elastic Collisions Formula Derivation", - "url": "https://dipamsen.github.io/notebook/collisions.pdf", - "description": "Explanation and derivation for formula of elastic collisions, by Dipam Sen." + "url": "https://dipamsen.github.io/notebook/page/collisions.pdf", + "description": "Explanation and derivation for formula of elastic collisions." } ] }