diff --git a/osu.Game.Rulesets.Catch/Replays/CatchAutoGenerator.cs b/osu.Game.Rulesets.Catch/Replays/CatchAutoGenerator.cs
index d418e7278a..8dd00756f2 100644
--- a/osu.Game.Rulesets.Catch/Replays/CatchAutoGenerator.cs
+++ b/osu.Game.Rulesets.Catch/Replays/CatchAutoGenerator.cs
@@ -44,7 +44,8 @@ void moveToNext(CatchHitObject h)
                 double timeAvailable = h.StartTime - lastTime;
 
                 // So we can either make it there without a dash or not.
-                // If positionChange is 0, we don't need to move so speedRequired should also be 0 (could be NaN if timeAvailable is 0 too)
+                // If positionChange is 0, we don't need to move, so speedRequired should also be 0 (could be NaN if timeAvailable is 0 too)
+                // The case where positionChange > 0 and timeAvailable == 0 results in PositiveInfinity which provides expected beheaviour.
                 double speedRequired = positionChange == 0 ? 0 : positionChange / timeAvailable;
 
                 bool dashRequired = speedRequired > movement_speed;