diff --git a/_drafts/2020-04-20-LudumDare46.md b/_drafts/2020-04-20-LudumDare46.md
index c16b75e..9d4db0d 100644
--- a/_drafts/2020-04-20-LudumDare46.md
+++ b/_drafts/2020-04-20-LudumDare46.md
@@ -43,6 +43,8 @@ Day 1 started with @exvacuum developing a heartrate monitor system for the game:
 
 *Demo image showing off his algorithm*
 
+His progress was documented [on his YouTube channel](https://www.youtube.com/watch?v=oqcbO8x0evY).
+
 I also started out by writing a sound system that uses audio channels to separate sounds. This system pre-caches all sounds while the game loads. Unfortunately, after getting my branch merged into master, I noticed a few bugs:
  - When queueing audio, the 2 most recent requests are always ignored
  - Some browsers do not allow me to play multiple audio streams at the same time